68947440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287281}}^1$

素因数の和:287297

約数の個数: 40

約数和(自身を含む): 213737808

約数和(自身を除く): 144790368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287281, 574562, 861843, 1149124, 1436405, 1723686, 2298248, 2872810, 3447372, 4309215, 4596496, 5745620, 6894744, 8618430, 11491240, 13789488, 17236860, 22982480, 34473720, 68947440]

約数ペア:

[(1, 68947440), (2, 34473720), (3, 22982480), (4, 17236860), (5, 13789488), (6, 11491240), (8, 8618430), (10, 6894744), (12, 5745620), (15, 4596496), (16, 4309215), (20, 3447372), (24, 2872810), (30, 2298248), (40, 1723686), (48, 1436405), (60, 1149124), (80, 861843), (120, 574562), (240, 287281)]