78811020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 250417440

約数和(自身を除く): 171606420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 59, 60, 82, 90, 118, 123, 164, 177, 180, 181, 205, 236, 246, 295, 354, 362, 369, 410, 492, 531, 543, 590, 615, 708, 724, 738, 820, 885, 905, 1062, 1086, 1180, 1230, 1476, 1629, 1770, 1810, 1845, 2124, 2172, 2419, 2460, 2655, 2715, 3258, 3540, 3620, 3690, 4838, 5310, 5430, 6516, 7257, 7380, 7421, 8145, 9676, 10620, 10679, 10860, 12095, 14514, 14842, 16290, 21358, 21771, 22263, 24190, 29028, 29684, 32037, 32580, 36285, 37105, 42716, 43542, 44526, 48380, 53395, 64074, 66789, 72570, 74210, 87084, 89052, 96111, 106790, 108855, 111315, 128148, 133578, 145140, 148420, 160185, 192222, 213580, 217710, 222630, 267156, 320370, 333945, 384444, 435420, 437839, 445260, 480555, 640740, 667890, 875678, 961110, 1313517, 1335780, 1751356, 1922220, 2189195, 2627034, 3940551, 4378390, 5254068, 6567585, 7881102, 8756780, 13135170, 15762204, 19702755, 26270340, 39405510, 78811020]

約数ペア:

[(1, 78811020), (2, 39405510), (3, 26270340), (4, 19702755), (5, 15762204), (6, 13135170), (9, 8756780), (10, 7881102), (12, 6567585), (15, 5254068), (18, 4378390), (20, 3940551), (30, 2627034), (36, 2189195), (41, 1922220), (45, 1751356), (59, 1335780), (60, 1313517), (82, 961110), (90, 875678), (118, 667890), (123, 640740), (164, 480555), (177, 445260), (180, 437839), (181, 435420), (205, 384444), (236, 333945), (246, 320370), (295, 267156), (354, 222630), (362, 217710), (369, 213580), (410, 192222), (492, 160185), (531, 148420), (543, 145140), (590, 133578), (615, 128148), (708, 111315), (724, 108855), (738, 106790), (820, 96111), (885, 89052), (905, 87084), (1062, 74210), (1086, 72570), (1180, 66789), (1230, 64074), (1476, 53395), (1629, 48380), (1770, 44526), (1810, 43542), (1845, 42716), (2124, 37105), (2172, 36285), (2419, 32580), (2460, 32037), (2655, 29684), (2715, 29028), (3258, 24190), (3540, 22263), (3620, 21771), (3690, 21358), (4838, 16290), (5310, 14842), (5430, 14514), (6516, 12095), (7257, 10860), (7380, 10679), (7421, 10620), (8145, 9676)]