31886640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:747

約数の個数: 120

約数和(自身を含む): 108848688

約数和(自身を除く): 76962048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 661, 670, 720, 804, 1005, 1072, 1206, 1322, 1340, 1608, 1983, 2010, 2412, 2644, 2680, 3015, 3216, 3305, 3966, 4020, 4824, 5288, 5360, 5949, 6030, 6610, 7932, 8040, 9648, 9915, 10576, 11898, 12060, 13220, 15864, 16080, 19830, 23796, 24120, 26440, 29745, 31728, 39660, 44287, 47592, 48240, 52880, 59490, 79320, 88574, 95184, 118980, 132861, 158640, 177148, 221435, 237960, 265722, 354296, 398583, 442870, 475920, 531444, 664305, 708592, 797166, 885740, 1062888, 1328610, 1594332, 1771480, 1992915, 2125776, 2657220, 3188664, 3542960, 3985830, 5314440, 6377328, 7971660, 10628880, 15943320, 31886640]

約数ペア:

[(1, 31886640), (2, 15943320), (3, 10628880), (4, 7971660), (5, 6377328), (6, 5314440), (8, 3985830), (9, 3542960), (10, 3188664), (12, 2657220), (15, 2125776), (16, 1992915), (18, 1771480), (20, 1594332), (24, 1328610), (30, 1062888), (36, 885740), (40, 797166), (45, 708592), (48, 664305), (60, 531444), (67, 475920), (72, 442870), (80, 398583), (90, 354296), (120, 265722), (134, 237960), (144, 221435), (180, 177148), (201, 158640), (240, 132861), (268, 118980), (335, 95184), (360, 88574), (402, 79320), (536, 59490), (603, 52880), (661, 48240), (670, 47592), (720, 44287), (804, 39660), (1005, 31728), (1072, 29745), (1206, 26440), (1322, 24120), (1340, 23796), (1608, 19830), (1983, 16080), (2010, 15864), (2412, 13220), (2644, 12060), (2680, 11898), (3015, 10576), (3216, 9915), (3305, 9648), (3966, 8040), (4020, 7932), (4824, 6610), (5288, 6030), (5360, 5949)]