66619620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11939}}^1$

素因数の和:11985

約数の個数: 72

約数和(自身を含む): 208615680

約数和(自身を除く): 141996060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 11939, 23878, 35817, 47756, 59695, 71634, 107451, 119390, 143268, 179085, 214902, 238780, 358170, 370109, 429804, 537255, 716340, 740218, 1074510, 1110327, 1480436, 1850545, 2149020, 2220654, 3330981, 3701090, 4441308, 5551635, 6661962, 7402180, 11103270, 13323924, 16654905, 22206540, 33309810, 66619620]

約数ペア:

[(1, 66619620), (2, 33309810), (3, 22206540), (4, 16654905), (5, 13323924), (6, 11103270), (9, 7402180), (10, 6661962), (12, 5551635), (15, 4441308), (18, 3701090), (20, 3330981), (30, 2220654), (31, 2149020), (36, 1850545), (45, 1480436), (60, 1110327), (62, 1074510), (90, 740218), (93, 716340), (124, 537255), (155, 429804), (180, 370109), (186, 358170), (279, 238780), (310, 214902), (372, 179085), (465, 143268), (558, 119390), (620, 107451), (930, 71634), (1116, 59695), (1395, 47756), (1860, 35817), (2790, 23878), (5580, 11939)]