217231560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 384

約数和(自身を含む): 917280000

約数和(自身を除く): 700048440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 24, 26, 28, 30, 35, 36, 38, 39, 40, 42, 45, 52, 56, 57, 60, 63, 65, 70, 72, 76, 78, 84, 90, 91, 95, 104, 105, 114, 117, 120, 126, 130, 133, 140, 152, 156, 168, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 280, 285, 312, 315, 342, 349, 360, 364, 380, 390, 399, 420, 455, 456, 468, 494, 504, 520, 532, 546, 570, 585, 630, 665, 684, 698, 728, 741, 760, 780, 798, 819, 840, 855, 910, 936, 988, 1047, 1064, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1368, 1396, 1482, 1560, 1596, 1638, 1710, 1729, 1745, 1820, 1976, 1995, 2094, 2184, 2223, 2280, 2340, 2394, 2443, 2470, 2520, 2660, 2730, 2792, 2964, 3141, 3192, 3276, 3420, 3458, 3490, 3640, 3705, 3990, 4095, 4188, 4446, 4537, 4680, 4788, 4886, 4940, 5187, 5235, 5320, 5460, 5928, 5985, 6282, 6552, 6631, 6840, 6916, 6980, 7329, 7410, 7980, 8190, 8376, 8645, 8892, 9074, 9576, 9772, 9880, 10374, 10470, 10920, 11115, 11970, 12215, 12564, 13262, 13611, 13832, 13960, 14658, 14820, 15561, 15705, 15960, 16380, 17290, 17784, 18148, 19544, 19893, 20748, 20940, 21987, 22230, 22685, 23940, 24430, 25128, 25935, 26524, 27222, 29316, 29640, 31122, 31410, 31759, 32760, 33155, 34580, 36296, 36645, 39786, 40833, 41496, 41880, 43974, 44460, 45370, 46417, 47880, 48860, 51870, 53048, 54444, 58632, 59679, 62244, 62820, 63518, 66310, 68055, 69160, 73290, 77805, 79572, 81666, 86203, 87948, 88920, 90740, 92834, 95277, 97720, 99465, 103740, 108888, 109935, 119358, 124488, 125640, 127036, 132620, 136110, 139251, 146580, 155610, 158795, 159144, 163332, 172406, 175896, 181480, 185668, 190554, 198930, 204165, 207480, 219870, 232085, 238716, 254072, 258609, 265240, 272220, 278502, 285831, 293160, 298395, 311220, 317590, 326664, 344812, 371336, 381108, 397860, 408330, 417753, 431015, 439740, 464170, 476385, 477432, 517218, 544440, 557004, 571662, 596790, 603421, 622440, 635180, 689624, 696255, 762216, 775827, 795720, 816660, 835506, 862030, 879480, 928340, 952770, 1034436, 1114008, 1143324, 1193580, 1206842, 1270360, 1293045, 1392510, 1429155, 1551654, 1633320, 1671012, 1724060, 1810263, 1856680, 1905540, 2068872, 2088765, 2286648, 2387160, 2413684, 2586090, 2785020, 2858310, 3017105, 3103308, 3342024, 3448120, 3620526, 3811080, 3879135, 4177530, 4827368, 5172180, 5430789, 5570040, 5716620, 6034210, 6206616, 7241052, 7758270, 8355060, 9051315, 10344360, 10861578, 11433240, 12068420, 14482104, 15516540, 16710120, 18102630, 21723156, 24136840, 27153945, 31033080, 36205260, 43446312, 54307890, 72410520, 108615780, 217231560]

約数ペア:

[(1, 217231560), (2, 108615780), (3, 72410520), (4, 54307890), (5, 43446312), (6, 36205260), (7, 31033080), (8, 27153945), (9, 24136840), (10, 21723156), (12, 18102630), (13, 16710120), (14, 15516540), (15, 14482104), (18, 12068420), (19, 11433240), (20, 10861578), (21, 10344360), (24, 9051315), (26, 8355060), (28, 7758270), (30, 7241052), (35, 6206616), (36, 6034210), (38, 5716620), (39, 5570040), (40, 5430789), (42, 5172180), (45, 4827368), (52, 4177530), (56, 3879135), (57, 3811080), (60, 3620526), (63, 3448120), (65, 3342024), (70, 3103308), (72, 3017105), (76, 2858310), (78, 2785020), (84, 2586090), (90, 2413684), (91, 2387160), (95, 2286648), (104, 2088765), (105, 2068872), (114, 1905540), (117, 1856680), (120, 1810263), (126, 1724060), (130, 1671012), (133, 1633320), (140, 1551654), (152, 1429155), (156, 1392510), (168, 1293045), (171, 1270360), (180, 1206842), (182, 1193580), (190, 1143324), (195, 1114008), (210, 1034436), (228, 952770), (234, 928340), (247, 879480), (252, 862030), (260, 835506), (266, 816660), (273, 795720), (280, 775827), (285, 762216), (312, 696255), (315, 689624), (342, 635180), (349, 622440), (360, 603421), (364, 596790), (380, 571662), (390, 557004), (399, 544440), (420, 517218), (455, 477432), (456, 476385), (468, 464170), (494, 439740), (504, 431015), (520, 417753), (532, 408330), (546, 397860), (570, 381108), (585, 371336), (630, 344812), (665, 326664), (684, 317590), (698, 311220), (728, 298395), (741, 293160), (760, 285831), (780, 278502), (798, 272220), (819, 265240), (840, 258609), (855, 254072), (910, 238716), (936, 232085), (988, 219870), (1047, 207480), (1064, 204165), (1092, 198930), (1140, 190554), (1170, 185668), (1197, 181480), (1235, 175896), (1260, 172406), (1330, 163332), (1365, 159144), (1368, 158795), (1396, 155610), (1482, 146580), (1560, 139251), (1596, 136110), (1638, 132620), (1710, 127036), (1729, 125640), (1745, 124488), (1820, 119358), (1976, 109935), (1995, 108888), (2094, 103740), (2184, 99465), (2223, 97720), (2280, 95277), (2340, 92834), (2394, 90740), (2443, 88920), (2470, 87948), (2520, 86203), (2660, 81666), (2730, 79572), (2792, 77805), (2964, 73290), (3141, 69160), (3192, 68055), (3276, 66310), (3420, 63518), (3458, 62820), (3490, 62244), (3640, 59679), (3705, 58632), (3990, 54444), (4095, 53048), (4188, 51870), (4446, 48860), (4537, 47880), (4680, 46417), (4788, 45370), (4886, 44460), (4940, 43974), (5187, 41880), (5235, 41496), (5320, 40833), (5460, 39786), (5928, 36645), (5985, 36296), (6282, 34580), (6552, 33155), (6631, 32760), (6840, 31759), (6916, 31410), (6980, 31122), (7329, 29640), (7410, 29316), (7980, 27222), (8190, 26524), (8376, 25935), (8645, 25128), (8892, 24430), (9074, 23940), (9576, 22685), (9772, 22230), (9880, 21987), (10374, 20940), (10470, 20748), (10920, 19893), (11115, 19544), (11970, 18148), (12215, 17784), (12564, 17290), (13262, 16380), (13611, 15960), (13832, 15705), (13960, 15561), (14658, 14820)]