31915920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1960

約数の個数: 80

約数和(自身を含む): 100386432

約数和(自身を除く): 68470512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 1873, 2130, 2840, 3408, 3746, 4260, 5619, 5680, 7492, 8520, 9365, 11238, 14984, 17040, 18730, 22476, 28095, 29968, 37460, 44952, 56190, 74920, 89904, 112380, 132983, 149840, 224760, 265966, 398949, 449520, 531932, 664915, 797898, 1063864, 1329830, 1595796, 1994745, 2127728, 2659660, 3191592, 3989490, 5319320, 6383184, 7978980, 10638640, 15957960, 31915920]

約数ペア:

[(1, 31915920), (2, 15957960), (3, 10638640), (4, 7978980), (5, 6383184), (6, 5319320), (8, 3989490), (10, 3191592), (12, 2659660), (15, 2127728), (16, 1994745), (20, 1595796), (24, 1329830), (30, 1063864), (40, 797898), (48, 664915), (60, 531932), (71, 449520), (80, 398949), (120, 265966), (142, 224760), (213, 149840), (240, 132983), (284, 112380), (355, 89904), (426, 74920), (568, 56190), (710, 44952), (852, 37460), (1065, 29968), (1136, 28095), (1420, 22476), (1704, 18730), (1873, 17040), (2130, 14984), (2840, 11238), (3408, 9365), (3746, 8520), (4260, 7492), (5619, 5680)]