68646655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 108564480

約数和(自身を除く): 39917825

約数列:

[1, 5, 7, 11, 35, 37, 55, 61, 77, 79, 185, 259, 305, 385, 395, 407, 427, 553, 671, 869, 1295, 2035, 2135, 2257, 2765, 2849, 2923, 3355, 4345, 4697, 4819, 6083, 11285, 14245, 14615, 15799, 20461, 23485, 24095, 24827, 30415, 32153, 33733, 53009, 78995, 102305, 124135, 160765, 168665, 173789, 178303, 225071, 265045, 371063, 868945, 891515, 1125355, 1248121, 1855315, 1961333, 6240605, 9806665, 13729331, 68646655]

約数ペア:

[(1, 68646655), (5, 13729331), (7, 9806665), (11, 6240605), (35, 1961333), (37, 1855315), (55, 1248121), (61, 1125355), (77, 891515), (79, 868945), (185, 371063), (259, 265045), (305, 225071), (385, 178303), (395, 173789), (407, 168665), (427, 160765), (553, 124135), (671, 102305), (869, 78995), (1295, 53009), (2035, 33733), (2135, 32153), (2257, 30415), (2765, 24827), (2849, 24095), (2923, 23485), (3355, 20461), (4345, 15799), (4697, 14615), (4819, 14245), (6083, 11285)]