81544920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 263139840

約数和(自身を除く): 181594920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 71, 85, 102, 120, 136, 142, 170, 204, 213, 255, 284, 340, 355, 408, 426, 510, 563, 568, 680, 710, 852, 1020, 1065, 1126, 1207, 1420, 1689, 1704, 2040, 2130, 2252, 2414, 2815, 2840, 3378, 3621, 4260, 4504, 4828, 5630, 6035, 6756, 7242, 8445, 8520, 9571, 9656, 11260, 12070, 13512, 14484, 16890, 18105, 19142, 22520, 24140, 28713, 28968, 33780, 36210, 38284, 39973, 47855, 48280, 57426, 67560, 72420, 76568, 79946, 95710, 114852, 119919, 143565, 144840, 159892, 191420, 199865, 229704, 239838, 287130, 319784, 382840, 399730, 479676, 574260, 599595, 679541, 799460, 959352, 1148520, 1199190, 1359082, 1598920, 2038623, 2398380, 2718164, 3397705, 4077246, 4796760, 5436328, 6795410, 8154492, 10193115, 13590820, 16308984, 20386230, 27181640, 40772460, 81544920]

約数ペア:

[(1, 81544920), (2, 40772460), (3, 27181640), (4, 20386230), (5, 16308984), (6, 13590820), (8, 10193115), (10, 8154492), (12, 6795410), (15, 5436328), (17, 4796760), (20, 4077246), (24, 3397705), (30, 2718164), (34, 2398380), (40, 2038623), (51, 1598920), (60, 1359082), (68, 1199190), (71, 1148520), (85, 959352), (102, 799460), (120, 679541), (136, 599595), (142, 574260), (170, 479676), (204, 399730), (213, 382840), (255, 319784), (284, 287130), (340, 239838), (355, 229704), (408, 199865), (426, 191420), (510, 159892), (563, 144840), (568, 143565), (680, 119919), (710, 114852), (852, 95710), (1020, 79946), (1065, 76568), (1126, 72420), (1207, 67560), (1420, 57426), (1689, 48280), (1704, 47855), (2040, 39973), (2130, 38284), (2252, 36210), (2414, 33780), (2815, 28968), (2840, 28713), (3378, 24140), (3621, 22520), (4260, 19142), (4504, 18105), (4828, 16890), (5630, 14484), (6035, 13512), (6756, 12070), (7242, 11260), (8445, 9656), (8520, 9571)]