81006120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:960

約数の個数: 192

約数和(自身を含む): 298771200

約数和(自身を除く): 217765080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 911, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1822, 1976, 2223, 2280, 2340, 2470, 2733, 2964, 3420, 3644, 3705, 4446, 4555, 4680, 4940, 5466, 5928, 6840, 7288, 7410, 8199, 8892, 9110, 9880, 10932, 11115, 11843, 13665, 14820, 16398, 17309, 17784, 18220, 21864, 22230, 23686, 27330, 29640, 32796, 34618, 35529, 36440, 40995, 44460, 47372, 51927, 54660, 59215, 65592, 69236, 71058, 81990, 86545, 88920, 94744, 103854, 106587, 109320, 118430, 138472, 142116, 155781, 163980, 173090, 177645, 207708, 213174, 225017, 236860, 259635, 284232, 311562, 327960, 346180, 355290, 415416, 426348, 450034, 473720, 519270, 532935, 623124, 675051, 692360, 710580, 778905, 852696, 900068, 1038540, 1065870, 1125085, 1246248, 1350102, 1421160, 1557810, 1800136, 2025153, 2077080, 2131740, 2250170, 2700204, 3115620, 3375255, 4050306, 4263480, 4500340, 5400408, 6231240, 6750510, 8100612, 9000680, 10125765, 13501020, 16201224, 20251530, 27002040, 40503060, 81006120]

約数ペア:

[(1, 81006120), (2, 40503060), (3, 27002040), (4, 20251530), (5, 16201224), (6, 13501020), (8, 10125765), (9, 9000680), (10, 8100612), (12, 6750510), (13, 6231240), (15, 5400408), (18, 4500340), (19, 4263480), (20, 4050306), (24, 3375255), (26, 3115620), (30, 2700204), (36, 2250170), (38, 2131740), (39, 2077080), (40, 2025153), (45, 1800136), (52, 1557810), (57, 1421160), (60, 1350102), (65, 1246248), (72, 1125085), (76, 1065870), (78, 1038540), (90, 900068), (95, 852696), (104, 778905), (114, 710580), (117, 692360), (120, 675051), (130, 623124), (152, 532935), (156, 519270), (171, 473720), (180, 450034), (190, 426348), (195, 415416), (228, 355290), (234, 346180), (247, 327960), (260, 311562), (285, 284232), (312, 259635), (342, 236860), (360, 225017), (380, 213174), (390, 207708), (456, 177645), (468, 173090), (494, 163980), (520, 155781), (570, 142116), (585, 138472), (684, 118430), (741, 109320), (760, 106587), (780, 103854), (855, 94744), (911, 88920), (936, 86545), (988, 81990), (1140, 71058), (1170, 69236), (1235, 65592), (1368, 59215), (1482, 54660), (1560, 51927), (1710, 47372), (1822, 44460), (1976, 40995), (2223, 36440), (2280, 35529), (2340, 34618), (2470, 32796), (2733, 29640), (2964, 27330), (3420, 23686), (3644, 22230), (3705, 21864), (4446, 18220), (4555, 17784), (4680, 17309), (4940, 16398), (5466, 14820), (5928, 13665), (6840, 11843), (7288, 11115), (7410, 10932), (8199, 9880), (8892, 9110)]