81042000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 160

約数和(自身を含む): 281648640

約数和(自身を除く): 200606640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 130, 150, 156, 195, 200, 208, 240, 250, 260, 300, 312, 325, 375, 390, 400, 500, 520, 600, 624, 650, 750, 780, 975, 1000, 1039, 1040, 1200, 1300, 1500, 1560, 1625, 1950, 2000, 2078, 2600, 3000, 3117, 3120, 3250, 3900, 4156, 4875, 5195, 5200, 6000, 6234, 6500, 7800, 8312, 9750, 10390, 12468, 13000, 13507, 15585, 15600, 16624, 19500, 20780, 24936, 25975, 26000, 27014, 31170, 39000, 40521, 41560, 49872, 51950, 54028, 62340, 67535, 77925, 78000, 81042, 83120, 103900, 108056, 124680, 129875, 135070, 155850, 162084, 202605, 207800, 216112, 249360, 259750, 270140, 311700, 324168, 337675, 389625, 405210, 415600, 519500, 540280, 623400, 648336, 675350, 779250, 810420, 1013025, 1039000, 1080560, 1246800, 1350700, 1558500, 1620840, 1688375, 2026050, 2078000, 2701400, 3117000, 3241680, 3376750, 4052100, 5065125, 5402800, 6234000, 6753500, 8104200, 10130250, 13507000, 16208400, 20260500, 27014000, 40521000, 81042000]

約数ペア:

[(1, 81042000), (2, 40521000), (3, 27014000), (4, 20260500), (5, 16208400), (6, 13507000), (8, 10130250), (10, 8104200), (12, 6753500), (13, 6234000), (15, 5402800), (16, 5065125), (20, 4052100), (24, 3376750), (25, 3241680), (26, 3117000), (30, 2701400), (39, 2078000), (40, 2026050), (48, 1688375), (50, 1620840), (52, 1558500), (60, 1350700), (65, 1246800), (75, 1080560), (78, 1039000), (80, 1013025), (100, 810420), (104, 779250), (120, 675350), (125, 648336), (130, 623400), (150, 540280), (156, 519500), (195, 415600), (200, 405210), (208, 389625), (240, 337675), (250, 324168), (260, 311700), (300, 270140), (312, 259750), (325, 249360), (375, 216112), (390, 207800), (400, 202605), (500, 162084), (520, 155850), (600, 135070), (624, 129875), (650, 124680), (750, 108056), (780, 103900), (975, 83120), (1000, 81042), (1039, 78000), (1040, 77925), (1200, 67535), (1300, 62340), (1500, 54028), (1560, 51950), (1625, 49872), (1950, 41560), (2000, 40521), (2078, 39000), (2600, 31170), (3000, 27014), (3117, 26000), (3120, 25975), (3250, 24936), (3900, 20780), (4156, 19500), (4875, 16624), (5195, 15600), (5200, 15585), (6000, 13507), (6234, 13000), (6500, 12468), (7800, 10390), (8312, 9750)]