20540520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 512

約数和(自身を含む): 96768000

約数和(自身を除く): 76227480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 24, 26, 27, 28, 30, 33, 35, 36, 38, 39, 40, 42, 44, 45, 52, 54, 55, 56, 57, 60, 63, 65, 66, 70, 72, 76, 77, 78, 84, 88, 90, 91, 95, 99, 104, 105, 108, 110, 114, 117, 120, 126, 130, 132, 133, 135, 140, 143, 152, 154, 156, 165, 168, 171, 180, 182, 189, 190, 195, 198, 209, 210, 216, 220, 228, 231, 234, 247, 252, 260, 264, 266, 270, 273, 280, 285, 286, 297, 308, 312, 315, 330, 342, 351, 360, 364, 378, 380, 385, 390, 396, 399, 418, 420, 429, 440, 455, 456, 462, 468, 494, 495, 504, 513, 520, 532, 540, 546, 570, 572, 585, 594, 616, 627, 630, 660, 665, 684, 693, 702, 715, 728, 741, 756, 760, 770, 780, 792, 798, 819, 836, 840, 855, 858, 910, 924, 936, 945, 988, 990, 1001, 1026, 1045, 1064, 1080, 1092, 1140, 1144, 1155, 1170, 1188, 1197, 1235, 1254, 1260, 1287, 1320, 1330, 1365, 1368, 1386, 1404, 1430, 1463, 1482, 1485, 1512, 1540, 1560, 1596, 1638, 1672, 1710, 1716, 1729, 1755, 1820, 1848, 1881, 1890, 1976, 1980, 1995, 2002, 2052, 2079, 2090, 2145, 2184, 2223, 2280, 2310, 2340, 2376, 2394, 2457, 2470, 2508, 2520, 2565, 2574, 2660, 2717, 2730, 2772, 2808, 2860, 2926, 2964, 2970, 3003, 3080, 3135, 3192, 3276, 3420, 3432, 3458, 3465, 3510, 3591, 3640, 3705, 3762, 3780, 3861, 3960, 3990, 4004, 4095, 4104, 4158, 4180, 4290, 4389, 4446, 4620, 4680, 4788, 4914, 4940, 5005, 5016, 5130, 5148, 5187, 5320, 5434, 5460, 5544, 5643, 5720, 5852, 5928, 5940, 5985, 6006, 6270, 6435, 6552, 6669, 6840, 6916, 6930, 7020, 7182, 7315, 7410, 7524, 7560, 7722, 7980, 8008, 8151, 8190, 8316, 8360, 8580, 8645, 8778, 8892, 9009, 9240, 9405, 9576, 9828, 9880, 10010, 10260, 10296, 10374, 10395, 10868, 10920, 11115, 11286, 11704, 11880, 11970, 12012, 12285, 12540, 12870, 13167, 13338, 13585, 13832, 13860, 14040, 14364, 14630, 14820, 15015, 15048, 15444, 15561, 15960, 16302, 16380, 16632, 17160, 17290, 17556, 17784, 17955, 18018, 18810, 19019, 19305, 19656, 20020, 20520, 20748, 20790, 21736, 21945, 22230, 22572, 23940, 24024, 24453, 24570, 25080, 25740, 25935, 26334, 26676, 27027, 27170, 27720, 28215, 28728, 29260, 29640, 30030, 30888, 31122, 32604, 32760, 33345, 34580, 35112, 35910, 36036, 37620, 38038, 38610, 39501, 40040, 40755, 41496, 41580, 43890, 44460, 45045, 45144, 46683, 47880, 48906, 49140, 51480, 51870, 52668, 53352, 54054, 54340, 56430, 57057, 58520, 60060, 62244, 65208, 65835, 66690, 69160, 71820, 72072, 73359, 75240, 76076, 77220, 77805, 79002, 81510, 83160, 87780, 88920, 90090, 93366, 95095, 97812, 98280, 103740, 105336, 108108, 108680, 112860, 114114, 120120, 122265, 124488, 131670, 133380, 135135, 143640, 146718, 152152, 154440, 155610, 158004, 163020, 171171, 175560, 180180, 186732, 190190, 195624, 197505, 207480, 216216, 225720, 228228, 233415, 244530, 263340, 266760, 270270, 285285, 293436, 311220, 316008, 326040, 342342, 360360, 366795, 373464, 380380, 395010, 456456, 466830, 489060, 513513, 526680, 540540, 570570, 586872, 622440, 684684, 733590, 760760, 790020, 855855, 933660, 978120, 1027026, 1081080, 1141140, 1369368, 1467180, 1580040, 1711710, 1867320, 2054052, 2282280, 2567565, 2934360, 3423420, 4108104, 5135130, 6846840, 10270260, 20540520]

約数ペア:

[(1, 20540520), (2, 10270260), (3, 6846840), (4, 5135130), (5, 4108104), (6, 3423420), (7, 2934360), (8, 2567565), (9, 2282280), (10, 2054052), (11, 1867320), (12, 1711710), (13, 1580040), (14, 1467180), (15, 1369368), (18, 1141140), (19, 1081080), (20, 1027026), (21, 978120), (22, 933660), (24, 855855), (26, 790020), (27, 760760), (28, 733590), (30, 684684), (33, 622440), (35, 586872), (36, 570570), (38, 540540), (39, 526680), (40, 513513), (42, 489060), (44, 466830), (45, 456456), (52, 395010), (54, 380380), (55, 373464), (56, 366795), (57, 360360), (60, 342342), (63, 326040), (65, 316008), (66, 311220), (70, 293436), (72, 285285), (76, 270270), (77, 266760), (78, 263340), (84, 244530), (88, 233415), (90, 228228), (91, 225720), (95, 216216), (99, 207480), (104, 197505), (105, 195624), (108, 190190), (110, 186732), (114, 180180), (117, 175560), (120, 171171), (126, 163020), (130, 158004), (132, 155610), (133, 154440), (135, 152152), (140, 146718), (143, 143640), (152, 135135), (154, 133380), (156, 131670), (165, 124488), (168, 122265), (171, 120120), (180, 114114), (182, 112860), (189, 108680), (190, 108108), (195, 105336), (198, 103740), (209, 98280), (210, 97812), (216, 95095), (220, 93366), (228, 90090), (231, 88920), (234, 87780), (247, 83160), (252, 81510), (260, 79002), (264, 77805), (266, 77220), (270, 76076), (273, 75240), (280, 73359), (285, 72072), (286, 71820), (297, 69160), (308, 66690), (312, 65835), (315, 65208), (330, 62244), (342, 60060), (351, 58520), (360, 57057), (364, 56430), (378, 54340), (380, 54054), (385, 53352), (390, 52668), (396, 51870), (399, 51480), (418, 49140), (420, 48906), (429, 47880), (440, 46683), (455, 45144), (456, 45045), (462, 44460), (468, 43890), (494, 41580), (495, 41496), (504, 40755), (513, 40040), (520, 39501), (532, 38610), (540, 38038), (546, 37620), (570, 36036), (572, 35910), (585, 35112), (594, 34580), (616, 33345), (627, 32760), (630, 32604), (660, 31122), (665, 30888), (684, 30030), (693, 29640), (702, 29260), (715, 28728), (728, 28215), (741, 27720), (756, 27170), (760, 27027), (770, 26676), (780, 26334), (792, 25935), (798, 25740), (819, 25080), (836, 24570), (840, 24453), (855, 24024), (858, 23940), (910, 22572), (924, 22230), (936, 21945), (945, 21736), (988, 20790), (990, 20748), (1001, 20520), (1026, 20020), (1045, 19656), (1064, 19305), (1080, 19019), (1092, 18810), (1140, 18018), (1144, 17955), (1155, 17784), (1170, 17556), (1188, 17290), (1197, 17160), (1235, 16632), (1254, 16380), (1260, 16302), (1287, 15960), (1320, 15561), (1330, 15444), (1365, 15048), (1368, 15015), (1386, 14820), (1404, 14630), (1430, 14364), (1463, 14040), (1482, 13860), (1485, 13832), (1512, 13585), (1540, 13338), (1560, 13167), (1596, 12870), (1638, 12540), (1672, 12285), (1710, 12012), (1716, 11970), (1729, 11880), (1755, 11704), (1820, 11286), (1848, 11115), (1881, 10920), (1890, 10868), (1976, 10395), (1980, 10374), (1995, 10296), (2002, 10260), (2052, 10010), (2079, 9880), (2090, 9828), (2145, 9576), (2184, 9405), (2223, 9240), (2280, 9009), (2310, 8892), (2340, 8778), (2376, 8645), (2394, 8580), (2457, 8360), (2470, 8316), (2508, 8190), (2520, 8151), (2565, 8008), (2574, 7980), (2660, 7722), (2717, 7560), (2730, 7524), (2772, 7410), (2808, 7315), (2860, 7182), (2926, 7020), (2964, 6930), (2970, 6916), (3003, 6840), (3080, 6669), (3135, 6552), (3192, 6435), (3276, 6270), (3420, 6006), (3432, 5985), (3458, 5940), (3465, 5928), (3510, 5852), (3591, 5720), (3640, 5643), (3705, 5544), (3762, 5460), (3780, 5434), (3861, 5320), (3960, 5187), (3990, 5148), (4004, 5130), (4095, 5016), (4104, 5005), (4158, 4940), (4180, 4914), (4290, 4788), (4389, 4680), (4446, 4620)]