7881120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 29031912

約数和(自身を除く): 21150792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 421, 468, 480, 520, 585, 624, 720, 780, 842, 936, 1040, 1170, 1248, 1263, 1440, 1560, 1684, 1872, 2080, 2105, 2340, 2526, 3120, 3368, 3744, 3789, 4210, 4680, 5052, 5473, 6240, 6315, 6736, 7578, 8420, 9360, 10104, 10946, 12630, 13472, 15156, 16419, 16840, 18720, 18945, 20208, 21892, 25260, 27365, 30312, 32838, 33680, 37890, 40416, 43784, 49257, 50520, 54730, 60624, 65676, 67360, 75780, 82095, 87568, 98514, 101040, 109460, 121248, 131352, 151560, 164190, 175136, 197028, 202080, 218920, 246285, 262704, 303120, 328380, 394056, 437840, 492570, 525408, 606240, 656760, 788112, 875680, 985140, 1313520, 1576224, 1970280, 2627040, 3940560, 7881120]

約数ペア:

[(1, 7881120), (2, 3940560), (3, 2627040), (4, 1970280), (5, 1576224), (6, 1313520), (8, 985140), (9, 875680), (10, 788112), (12, 656760), (13, 606240), (15, 525408), (16, 492570), (18, 437840), (20, 394056), (24, 328380), (26, 303120), (30, 262704), (32, 246285), (36, 218920), (39, 202080), (40, 197028), (45, 175136), (48, 164190), (52, 151560), (60, 131352), (65, 121248), (72, 109460), (78, 101040), (80, 98514), (90, 87568), (96, 82095), (104, 75780), (117, 67360), (120, 65676), (130, 60624), (144, 54730), (156, 50520), (160, 49257), (180, 43784), (195, 40416), (208, 37890), (234, 33680), (240, 32838), (260, 30312), (288, 27365), (312, 25260), (360, 21892), (390, 20208), (416, 18945), (421, 18720), (468, 16840), (480, 16419), (520, 15156), (585, 13472), (624, 12630), (720, 10946), (780, 10104), (842, 9360), (936, 8420), (1040, 7578), (1170, 6736), (1248, 6315), (1263, 6240), (1440, 5473), (1560, 5052), (1684, 4680), (1872, 4210), (2080, 3789), (2105, 3744), (2340, 3368), (2526, 3120)]