21678960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1531}}^1$

素因数の和:1606

約数の個数: 80

約数和(自身を含む): 68388480

約数和(自身を除く): 46709520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 177, 236, 240, 295, 354, 472, 590, 708, 885, 944, 1180, 1416, 1531, 1770, 2360, 2832, 3062, 3540, 4593, 4720, 6124, 7080, 7655, 9186, 12248, 14160, 15310, 18372, 22965, 24496, 30620, 36744, 45930, 61240, 73488, 90329, 91860, 122480, 180658, 183720, 270987, 361316, 367440, 451645, 541974, 722632, 903290, 1083948, 1354935, 1445264, 1806580, 2167896, 2709870, 3613160, 4335792, 5419740, 7226320, 10839480, 21678960]

約数ペア:

[(1, 21678960), (2, 10839480), (3, 7226320), (4, 5419740), (5, 4335792), (6, 3613160), (8, 2709870), (10, 2167896), (12, 1806580), (15, 1445264), (16, 1354935), (20, 1083948), (24, 903290), (30, 722632), (40, 541974), (48, 451645), (59, 367440), (60, 361316), (80, 270987), (118, 183720), (120, 180658), (177, 122480), (236, 91860), (240, 90329), (295, 73488), (354, 61240), (472, 45930), (590, 36744), (708, 30620), (885, 24496), (944, 22965), (1180, 18372), (1416, 15310), (1531, 14160), (1770, 12248), (2360, 9186), (2832, 7655), (3062, 7080), (3540, 6124), (4593, 4720)]