28440720

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 480

約数和(自身を含む): 129991680

約数和(自身を除く): 101550960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 38, 40, 42, 44, 45, 48, 54, 55, 56, 57, 60, 63, 66, 70, 72, 76, 77, 80, 81, 84, 88, 90, 95, 99, 105, 108, 110, 112, 114, 120, 126, 132, 133, 135, 140, 144, 152, 154, 162, 165, 168, 171, 176, 180, 189, 190, 198, 209, 210, 216, 220, 228, 231, 240, 243, 252, 264, 266, 270, 280, 285, 297, 304, 308, 315, 324, 330, 336, 342, 360, 378, 380, 385, 396, 399, 405, 418, 420, 432, 440, 456, 462, 486, 495, 504, 513, 528, 532, 540, 560, 567, 570, 594, 616, 627, 630, 648, 660, 665, 684, 693, 720, 756, 760, 770, 792, 798, 810, 836, 840, 855, 880, 891, 912, 924, 945, 972, 990, 1008, 1026, 1045, 1064, 1080, 1134, 1140, 1155, 1188, 1197, 1215, 1232, 1254, 1260, 1296, 1320, 1330, 1368, 1386, 1463, 1485, 1512, 1520, 1539, 1540, 1584, 1596, 1620, 1672, 1680, 1701, 1710, 1782, 1848, 1881, 1890, 1944, 1980, 1995, 2052, 2079, 2090, 2128, 2160, 2268, 2280, 2310, 2376, 2394, 2430, 2508, 2520, 2565, 2640, 2660, 2673, 2736, 2772, 2835, 2926, 2970, 3024, 3078, 3080, 3135, 3192, 3240, 3344, 3402, 3420, 3465, 3564, 3591, 3696, 3762, 3780, 3888, 3960, 3990, 4104, 4158, 4180, 4389, 4455, 4536, 4560, 4617, 4620, 4752, 4788, 4860, 5016, 5040, 5130, 5320, 5346, 5544, 5643, 5670, 5852, 5940, 5985, 6156, 6160, 6237, 6270, 6384, 6480, 6804, 6840, 6930, 7128, 7182, 7315, 7524, 7560, 7695, 7920, 7980, 8208, 8316, 8360, 8505, 8778, 8910, 9072, 9234, 9240, 9405, 9576, 9720, 10032, 10260, 10395, 10640, 10692, 10773, 11088, 11286, 11340, 11704, 11880, 11970, 12312, 12474, 12540, 13167, 13365, 13608, 13680, 13860, 14256, 14364, 14630, 15048, 15120, 15390, 15960, 16632, 16720, 16929, 17010, 17556, 17820, 17955, 18468, 18480, 18711, 18810, 19152, 19440, 20520, 20790, 21384, 21546, 21945, 22572, 22680, 23085, 23408, 23760, 23940, 24624, 24948, 25080, 26334, 26730, 27216, 27720, 28215, 28728, 29260, 30096, 30780, 31185, 31920, 32319, 33264, 33858, 34020, 35112, 35640, 35910, 36936, 37422, 37620, 39501, 41040, 41580, 42768, 43092, 43890, 45144, 45360, 46170, 47880, 49896, 50160, 50787, 52668, 53460, 53865, 55440, 56430, 57456, 58520, 61560, 62370, 64638, 65835, 67716, 68040, 70224, 71280, 71820, 73872, 74844, 75240, 79002, 83160, 84645, 86184, 87780, 90288, 92340, 93555, 95760, 99792, 101574, 105336, 106920, 107730, 112860, 117040, 118503, 123120, 124740, 129276, 131670, 135432, 136080, 143640, 149688, 150480, 158004, 161595, 166320, 169290, 172368, 175560, 184680, 187110, 197505, 203148, 210672, 213840, 215460, 225720, 237006, 249480, 253935, 258552, 263340, 270864, 287280, 299376, 316008, 323190, 338580, 351120, 355509, 369360, 374220, 395010, 406296, 430920, 451440, 474012, 498960, 507870, 517104, 526680, 592515, 632016, 646380, 677160, 711018, 748440, 790020, 812592, 861840, 948024, 1015740, 1053360, 1185030, 1292760, 1354320, 1422036, 1496880, 1580040, 1777545, 1896048, 2031480, 2370060, 2585520, 2844072, 3160080, 3555090, 4062960, 4740120, 5688144, 7110180, 9480240, 14220360, 28440720]

約数ペア:

[(1, 28440720), (2, 14220360), (3, 9480240), (4, 7110180), (5, 5688144), (6, 4740120), (7, 4062960), (8, 3555090), (9, 3160080), (10, 2844072), (11, 2585520), (12, 2370060), (14, 2031480), (15, 1896048), (16, 1777545), (18, 1580040), (19, 1496880), (20, 1422036), (21, 1354320), (22, 1292760), (24, 1185030), (27, 1053360), (28, 1015740), (30, 948024), (33, 861840), (35, 812592), (36, 790020), (38, 748440), (40, 711018), (42, 677160), (44, 646380), (45, 632016), (48, 592515), (54, 526680), (55, 517104), (56, 507870), (57, 498960), (60, 474012), (63, 451440), (66, 430920), (70, 406296), (72, 395010), (76, 374220), (77, 369360), (80, 355509), (81, 351120), (84, 338580), (88, 323190), (90, 316008), (95, 299376), (99, 287280), (105, 270864), (108, 263340), (110, 258552), (112, 253935), (114, 249480), (120, 237006), (126, 225720), (132, 215460), (133, 213840), (135, 210672), (140, 203148), (144, 197505), (152, 187110), (154, 184680), (162, 175560), (165, 172368), (168, 169290), (171, 166320), (176, 161595), (180, 158004), (189, 150480), (190, 149688), (198, 143640), (209, 136080), (210, 135432), (216, 131670), (220, 129276), (228, 124740), (231, 123120), (240, 118503), (243, 117040), (252, 112860), (264, 107730), (266, 106920), (270, 105336), (280, 101574), (285, 99792), (297, 95760), (304, 93555), (308, 92340), (315, 90288), (324, 87780), (330, 86184), (336, 84645), (342, 83160), (360, 79002), (378, 75240), (380, 74844), (385, 73872), (396, 71820), (399, 71280), (405, 70224), (418, 68040), (420, 67716), (432, 65835), (440, 64638), (456, 62370), (462, 61560), (486, 58520), (495, 57456), (504, 56430), (513, 55440), (528, 53865), (532, 53460), (540, 52668), (560, 50787), (567, 50160), (570, 49896), (594, 47880), (616, 46170), (627, 45360), (630, 45144), (648, 43890), (660, 43092), (665, 42768), (684, 41580), (693, 41040), (720, 39501), (756, 37620), (760, 37422), (770, 36936), (792, 35910), (798, 35640), (810, 35112), (836, 34020), (840, 33858), (855, 33264), (880, 32319), (891, 31920), (912, 31185), (924, 30780), (945, 30096), (972, 29260), (990, 28728), (1008, 28215), (1026, 27720), (1045, 27216), (1064, 26730), (1080, 26334), (1134, 25080), (1140, 24948), (1155, 24624), (1188, 23940), (1197, 23760), (1215, 23408), (1232, 23085), (1254, 22680), (1260, 22572), (1296, 21945), (1320, 21546), (1330, 21384), (1368, 20790), (1386, 20520), (1463, 19440), (1485, 19152), (1512, 18810), (1520, 18711), (1539, 18480), (1540, 18468), (1584, 17955), (1596, 17820), (1620, 17556), (1672, 17010), (1680, 16929), (1701, 16720), (1710, 16632), (1782, 15960), (1848, 15390), (1881, 15120), (1890, 15048), (1944, 14630), (1980, 14364), (1995, 14256), (2052, 13860), (2079, 13680), (2090, 13608), (2128, 13365), (2160, 13167), (2268, 12540), (2280, 12474), (2310, 12312), (2376, 11970), (2394, 11880), (2430, 11704), (2508, 11340), (2520, 11286), (2565, 11088), (2640, 10773), (2660, 10692), (2673, 10640), (2736, 10395), (2772, 10260), (2835, 10032), (2926, 9720), (2970, 9576), (3024, 9405), (3078, 9240), (3080, 9234), (3135, 9072), (3192, 8910), (3240, 8778), (3344, 8505), (3402, 8360), (3420, 8316), (3465, 8208), (3564, 7980), (3591, 7920), (3696, 7695), (3762, 7560), (3780, 7524), (3888, 7315), (3960, 7182), (3990, 7128), (4104, 6930), (4158, 6840), (4180, 6804), (4389, 6480), (4455, 6384), (4536, 6270), (4560, 6237), (4617, 6160), (4620, 6156), (4752, 5985), (4788, 5940), (4860, 5852), (5016, 5670), (5040, 5643), (5130, 5544), (5320, 5346)]