31541040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:707

約数の個数: 120

約数和(自身を含む): 107591328

約数和(自身を除く): 76050288

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, 617, 639, 710, 720, 852, 1065, 1136, 1234, 1278, 1420, 1704, 1851, 2130, 2468, 2556, 2840, 3085, 3195, 3408, 3702, 4260, 4936, 5112, 5553, 5680, 6170, 6390, 7404, 8520, 9255, 9872, 10224, 11106, 12340, 12780, 14808, 17040, 18510, 22212, 24680, 25560, 27765, 29616, 37020, 43807, 44424, 49360, 51120, 55530, 74040, 87614, 88848, 111060, 131421, 148080, 175228, 219035, 222120, 262842, 350456, 394263, 438070, 444240, 525684, 657105, 700912, 788526, 876140, 1051368, 1314210, 1577052, 1752280, 1971315, 2102736, 2628420, 3154104, 3504560, 3942630, 5256840, 6308208, 7885260, 10513680, 15770520, 31541040]

約数ペア:

[(1, 31541040), (2, 15770520), (3, 10513680), (4, 7885260), (5, 6308208), (6, 5256840), (8, 3942630), (9, 3504560), (10, 3154104), (12, 2628420), (15, 2102736), (16, 1971315), (18, 1752280), (20, 1577052), (24, 1314210), (30, 1051368), (36, 876140), (40, 788526), (45, 700912), (48, 657105), (60, 525684), (71, 444240), (72, 438070), (80, 394263), (90, 350456), (120, 262842), (142, 222120), (144, 219035), (180, 175228), (213, 148080), (240, 131421), (284, 111060), (355, 88848), (360, 87614), (426, 74040), (568, 55530), (617, 51120), (639, 49360), (710, 44424), (720, 43807), (852, 37020), (1065, 29616), (1136, 27765), (1234, 25560), (1278, 24680), (1420, 22212), (1704, 18510), (1851, 17040), (2130, 14808), (2468, 12780), (2556, 12340), (2840, 11106), (3085, 10224), (3195, 9872), (3408, 9255), (3702, 8520), (4260, 7404), (4936, 6390), (5112, 6170), (5553, 5680)]