81627750

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 237837600

約数和(自身を除く): 156209850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 45, 50, 54, 58, 75, 81, 87, 90, 125, 135, 139, 145, 150, 162, 174, 225, 250, 261, 270, 278, 290, 375, 405, 417, 435, 450, 522, 675, 695, 725, 750, 783, 810, 834, 870, 1125, 1251, 1305, 1350, 1390, 1450, 1566, 2025, 2085, 2175, 2250, 2349, 2502, 2610, 3375, 3475, 3625, 3753, 3915, 4031, 4050, 4170, 4350, 4698, 6255, 6525, 6750, 6950, 7250, 7506, 7830, 8062, 10125, 10425, 10875, 11259, 11745, 12093, 12510, 13050, 17375, 18765, 19575, 20155, 20250, 20850, 21750, 22518, 23490, 24186, 31275, 32625, 34750, 36279, 37530, 39150, 40310, 52125, 56295, 58725, 60465, 62550, 65250, 72558, 93825, 97875, 100775, 104250, 108837, 112590, 117450, 120930, 156375, 181395, 187650, 195750, 201550, 217674, 281475, 293625, 302325, 312750, 326511, 362790, 469125, 503875, 544185, 562950, 587250, 604650, 653022, 906975, 938250, 1007750, 1088370, 1407375, 1511625, 1632555, 1813950, 2720925, 2814750, 3023250, 3265110, 4534875, 5441850, 8162775, 9069750, 13604625, 16325550, 27209250, 40813875, 81627750]

約数ペア:

[(1, 81627750), (2, 40813875), (3, 27209250), (5, 16325550), (6, 13604625), (9, 9069750), (10, 8162775), (15, 5441850), (18, 4534875), (25, 3265110), (27, 3023250), (29, 2814750), (30, 2720925), (45, 1813950), (50, 1632555), (54, 1511625), (58, 1407375), (75, 1088370), (81, 1007750), (87, 938250), (90, 906975), (125, 653022), (135, 604650), (139, 587250), (145, 562950), (150, 544185), (162, 503875), (174, 469125), (225, 362790), (250, 326511), (261, 312750), (270, 302325), (278, 293625), (290, 281475), (375, 217674), (405, 201550), (417, 195750), (435, 187650), (450, 181395), (522, 156375), (675, 120930), (695, 117450), (725, 112590), (750, 108837), (783, 104250), (810, 100775), (834, 97875), (870, 93825), (1125, 72558), (1251, 65250), (1305, 62550), (1350, 60465), (1390, 58725), (1450, 56295), (1566, 52125), (2025, 40310), (2085, 39150), (2175, 37530), (2250, 36279), (2349, 34750), (2502, 32625), (2610, 31275), (3375, 24186), (3475, 23490), (3625, 22518), (3753, 21750), (3915, 20850), (4031, 20250), (4050, 20155), (4170, 19575), (4350, 18765), (4698, 17375), (6255, 13050), (6525, 12510), (6750, 12093), (6950, 11745), (7250, 11259), (7506, 10875), (7830, 10425), (8062, 10125)]