31029840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:697

約数の個数: 120

約数和(自身を含む): 105850368

約数和(自身を除く): 74820528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 607, 639, 710, 720, 852, 1065, 1136, 1214, 1278, 1420, 1704, 1821, 2130, 2428, 2556, 2840, 3035, 3195, 3408, 3642, 4260, 4856, 5112, 5463, 5680, 6070, 6390, 7284, 8520, 9105, 9712, 10224, 10926, 12140, 12780, 14568, 17040, 18210, 21852, 24280, 25560, 27315, 29136, 36420, 43097, 43704, 48560, 51120, 54630, 72840, 86194, 87408, 109260, 129291, 145680, 172388, 215485, 218520, 258582, 344776, 387873, 430970, 437040, 517164, 646455, 689552, 775746, 861940, 1034328, 1292910, 1551492, 1723880, 1939365, 2068656, 2585820, 3102984, 3447760, 3878730, 5171640, 6205968, 7757460, 10343280, 15514920, 31029840]

約数ペア:

[(1, 31029840), (2, 15514920), (3, 10343280), (4, 7757460), (5, 6205968), (6, 5171640), (8, 3878730), (9, 3447760), (10, 3102984), (12, 2585820), (15, 2068656), (16, 1939365), (18, 1723880), (20, 1551492), (24, 1292910), (30, 1034328), (36, 861940), (40, 775746), (45, 689552), (48, 646455), (60, 517164), (71, 437040), (72, 430970), (80, 387873), (90, 344776), (120, 258582), (142, 218520), (144, 215485), (180, 172388), (213, 145680), (240, 129291), (284, 109260), (355, 87408), (360, 86194), (426, 72840), (568, 54630), (607, 51120), (639, 48560), (710, 43704), (720, 43097), (852, 36420), (1065, 29136), (1136, 27315), (1214, 25560), (1278, 24280), (1420, 21852), (1704, 18210), (1821, 17040), (2130, 14568), (2428, 12780), (2556, 12140), (2840, 10926), (3035, 10224), (3195, 9712), (3408, 9105), (3642, 8520), (4260, 7284), (4856, 6390), (5112, 6070), (5463, 5680)]