31591840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 86776704

約数和(自身を除く): 55184864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 224, 268, 280, 335, 421, 469, 536, 560, 670, 842, 938, 1072, 1120, 1340, 1684, 1876, 2105, 2144, 2345, 2680, 2947, 3368, 3752, 4210, 4690, 5360, 5894, 6736, 7504, 8420, 9380, 10720, 11788, 13472, 14735, 15008, 16840, 18760, 23576, 28207, 29470, 33680, 37520, 47152, 56414, 58940, 67360, 75040, 94304, 112828, 117880, 141035, 197449, 225656, 235760, 282070, 394898, 451312, 471520, 564140, 789796, 902624, 987245, 1128280, 1579592, 1974490, 2256560, 3159184, 3948980, 4513120, 6318368, 7897960, 15795920, 31591840]

約数ペア:

[(1, 31591840), (2, 15795920), (4, 7897960), (5, 6318368), (7, 4513120), (8, 3948980), (10, 3159184), (14, 2256560), (16, 1974490), (20, 1579592), (28, 1128280), (32, 987245), (35, 902624), (40, 789796), (56, 564140), (67, 471520), (70, 451312), (80, 394898), (112, 282070), (134, 235760), (140, 225656), (160, 197449), (224, 141035), (268, 117880), (280, 112828), (335, 94304), (421, 75040), (469, 67360), (536, 58940), (560, 56414), (670, 47152), (842, 37520), (938, 33680), (1072, 29470), (1120, 28207), (1340, 23576), (1684, 18760), (1876, 16840), (2105, 15008), (2144, 14735), (2345, 13472), (2680, 11788), (2947, 10720), (3368, 9380), (3752, 8420), (4210, 7504), (4690, 6736), (5360, 5894)]