81962100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:535

約数の個数: 216

約数和(自身を含む): 297355968

約数和(自身を除く): 215393868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 25, 30, 33, 34, 36, 44, 45, 50, 51, 55, 60, 66, 68, 75, 85, 90, 99, 100, 102, 110, 132, 150, 153, 165, 170, 180, 187, 198, 204, 220, 225, 255, 275, 300, 306, 330, 340, 374, 396, 425, 450, 487, 495, 510, 550, 561, 612, 660, 748, 765, 825, 850, 900, 935, 974, 990, 1020, 1100, 1122, 1275, 1461, 1530, 1650, 1683, 1700, 1870, 1948, 1980, 2244, 2435, 2475, 2550, 2805, 2922, 3060, 3300, 3366, 3740, 3825, 4383, 4675, 4870, 4950, 5100, 5357, 5610, 5844, 6732, 7305, 7650, 8279, 8415, 8766, 9350, 9740, 9900, 10714, 11220, 12175, 14025, 14610, 15300, 16071, 16558, 16830, 17532, 18700, 21428, 21915, 24350, 24837, 26785, 28050, 29220, 32142, 33116, 33660, 36525, 41395, 42075, 43830, 48213, 48700, 49674, 53570, 56100, 64284, 73050, 74511, 80355, 82790, 84150, 87660, 91069, 96426, 99348, 107140, 109575, 124185, 133925, 146100, 149022, 160710, 165580, 168300, 182138, 192852, 206975, 219150, 241065, 248370, 267850, 273207, 298044, 321420, 364276, 372555, 401775, 413950, 438300, 455345, 482130, 496740, 535700, 546414, 620925, 745110, 803550, 819621, 827900, 910690, 964260, 1092828, 1205325, 1241850, 1366035, 1490220, 1607100, 1639242, 1821380, 1862775, 2276725, 2410650, 2483700, 2732070, 3278484, 3725550, 4098105, 4553450, 4821300, 5464140, 6830175, 7451100, 8196210, 9106900, 13660350, 16392420, 20490525, 27320700, 40981050, 81962100]

約数ペア:

[(1, 81962100), (2, 40981050), (3, 27320700), (4, 20490525), (5, 16392420), (6, 13660350), (9, 9106900), (10, 8196210), (11, 7451100), (12, 6830175), (15, 5464140), (17, 4821300), (18, 4553450), (20, 4098105), (22, 3725550), (25, 3278484), (30, 2732070), (33, 2483700), (34, 2410650), (36, 2276725), (44, 1862775), (45, 1821380), (50, 1639242), (51, 1607100), (55, 1490220), (60, 1366035), (66, 1241850), (68, 1205325), (75, 1092828), (85, 964260), (90, 910690), (99, 827900), (100, 819621), (102, 803550), (110, 745110), (132, 620925), (150, 546414), (153, 535700), (165, 496740), (170, 482130), (180, 455345), (187, 438300), (198, 413950), (204, 401775), (220, 372555), (225, 364276), (255, 321420), (275, 298044), (300, 273207), (306, 267850), (330, 248370), (340, 241065), (374, 219150), (396, 206975), (425, 192852), (450, 182138), (487, 168300), (495, 165580), (510, 160710), (550, 149022), (561, 146100), (612, 133925), (660, 124185), (748, 109575), (765, 107140), (825, 99348), (850, 96426), (900, 91069), (935, 87660), (974, 84150), (990, 82790), (1020, 80355), (1100, 74511), (1122, 73050), (1275, 64284), (1461, 56100), (1530, 53570), (1650, 49674), (1683, 48700), (1700, 48213), (1870, 43830), (1948, 42075), (1980, 41395), (2244, 36525), (2435, 33660), (2475, 33116), (2550, 32142), (2805, 29220), (2922, 28050), (3060, 26785), (3300, 24837), (3366, 24350), (3740, 21915), (3825, 21428), (4383, 18700), (4675, 17532), (4870, 16830), (4950, 16558), (5100, 16071), (5357, 15300), (5610, 14610), (5844, 14025), (6732, 12175), (7305, 11220), (7650, 10714), (8279, 9900), (8415, 9740), (8766, 9350)]