81598860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21587}}^1$

素因数の和:21612

約数の個数: 96

約数和(自身を含む): 290142720

約数和(自身を除く): 208543860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21587, 43174, 64761, 86348, 107935, 129522, 151109, 194283, 215870, 259044, 302218, 323805, 388566, 431740, 453327, 582849, 604436, 647610, 755545, 777132, 906654, 971415, 1165698, 1295220, 1359981, 1511090, 1813308, 1942830, 2266635, 2331396, 2719962, 2914245, 3022180, 3885660, 4079943, 4533270, 5439924, 5828490, 6799905, 8159886, 9066540, 11656980, 13599810, 16319772, 20399715, 27199620, 40799430, 81598860]

約数ペア:

[(1, 81598860), (2, 40799430), (3, 27199620), (4, 20399715), (5, 16319772), (6, 13599810), (7, 11656980), (9, 9066540), (10, 8159886), (12, 6799905), (14, 5828490), (15, 5439924), (18, 4533270), (20, 4079943), (21, 3885660), (27, 3022180), (28, 2914245), (30, 2719962), (35, 2331396), (36, 2266635), (42, 1942830), (45, 1813308), (54, 1511090), (60, 1359981), (63, 1295220), (70, 1165698), (84, 971415), (90, 906654), (105, 777132), (108, 755545), (126, 647610), (135, 604436), (140, 582849), (180, 453327), (189, 431740), (210, 388566), (252, 323805), (270, 302218), (315, 259044), (378, 215870), (420, 194283), (540, 151109), (630, 129522), (756, 107935), (945, 86348), (1260, 64761), (1890, 43174), (3780, 21587)]