81726960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48647}}^1$

素因数の和:48670

約数の個数: 80

約数和(自身を含む): 289552896

約数和(自身を除く): 207825936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48647, 97294, 145941, 194588, 243235, 291882, 340529, 389176, 486470, 583764, 681058, 729705, 778352, 972940, 1021587, 1167528, 1362116, 1459410, 1702645, 1945880, 2043174, 2335056, 2724232, 2918820, 3405290, 3891760, 4086348, 5107935, 5448464, 5837640, 6810580, 8172696, 10215870, 11675280, 13621160, 16345392, 20431740, 27242320, 40863480, 81726960]

約数ペア:

[(1, 81726960), (2, 40863480), (3, 27242320), (4, 20431740), (5, 16345392), (6, 13621160), (7, 11675280), (8, 10215870), (10, 8172696), (12, 6810580), (14, 5837640), (15, 5448464), (16, 5107935), (20, 4086348), (21, 3891760), (24, 3405290), (28, 2918820), (30, 2724232), (35, 2335056), (40, 2043174), (42, 1945880), (48, 1702645), (56, 1459410), (60, 1362116), (70, 1167528), (80, 1021587), (84, 972940), (105, 778352), (112, 729705), (120, 681058), (140, 583764), (168, 486470), (210, 389176), (240, 340529), (280, 291882), (336, 243235), (420, 194588), (560, 145941), (840, 97294), (1680, 48647)]