31319640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{719}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 112039200

約数和(自身を除く): 80719560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 719, 726, 792, 968, 990, 1089, 1210, 1320, 1438, 1452, 1815, 1980, 2157, 2178, 2420, 2876, 2904, 3595, 3630, 3960, 4314, 4356, 4840, 5445, 5752, 6471, 7190, 7260, 7909, 8628, 8712, 10785, 10890, 12942, 14380, 14520, 15818, 17256, 21570, 21780, 23727, 25884, 28760, 31636, 32355, 39545, 43140, 43560, 47454, 51768, 63272, 64710, 71181, 79090, 86280, 86999, 94908, 118635, 129420, 142362, 158180, 173998, 189816, 237270, 258840, 260997, 284724, 316360, 347996, 355905, 434995, 474540, 521994, 569448, 695992, 711810, 782991, 869990, 949080, 1043988, 1304985, 1423620, 1565982, 1739980, 2087976, 2609970, 2847240, 3131964, 3479960, 3914955, 5219940, 6263928, 7829910, 10439880, 15659820, 31319640]

約数ペア:

[(1, 31319640), (2, 15659820), (3, 10439880), (4, 7829910), (5, 6263928), (6, 5219940), (8, 3914955), (9, 3479960), (10, 3131964), (11, 2847240), (12, 2609970), (15, 2087976), (18, 1739980), (20, 1565982), (22, 1423620), (24, 1304985), (30, 1043988), (33, 949080), (36, 869990), (40, 782991), (44, 711810), (45, 695992), (55, 569448), (60, 521994), (66, 474540), (72, 434995), (88, 355905), (90, 347996), (99, 316360), (110, 284724), (120, 260997), (121, 258840), (132, 237270), (165, 189816), (180, 173998), (198, 158180), (220, 142362), (242, 129420), (264, 118635), (330, 94908), (360, 86999), (363, 86280), (396, 79090), (440, 71181), (484, 64710), (495, 63272), (605, 51768), (660, 47454), (719, 43560), (726, 43140), (792, 39545), (968, 32355), (990, 31636), (1089, 28760), (1210, 25884), (1320, 23727), (1438, 21780), (1452, 21570), (1815, 17256), (1980, 15818), (2157, 14520), (2178, 14380), (2420, 12942), (2876, 10890), (2904, 10785), (3595, 8712), (3630, 8628), (3960, 7909), (4314, 7260), (4356, 7190), (4840, 6471), (5445, 5752)]