68461840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 165815280

約数和(自身を除く): 97353440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 101, 148, 185, 202, 229, 296, 370, 404, 458, 505, 592, 740, 808, 916, 1010, 1145, 1480, 1616, 1832, 2020, 2290, 2960, 3664, 3737, 4040, 4580, 7474, 8080, 8473, 9160, 14948, 16946, 18320, 18685, 23129, 29896, 33892, 37370, 42365, 46258, 59792, 67784, 74740, 84730, 92516, 115645, 135568, 149480, 169460, 185032, 231290, 298960, 338920, 370064, 462580, 677840, 855773, 925160, 1711546, 1850320, 3423092, 4278865, 6846184, 8557730, 13692368, 17115460, 34230920, 68461840]

約数ペア:

[(1, 68461840), (2, 34230920), (4, 17115460), (5, 13692368), (8, 8557730), (10, 6846184), (16, 4278865), (20, 3423092), (37, 1850320), (40, 1711546), (74, 925160), (80, 855773), (101, 677840), (148, 462580), (185, 370064), (202, 338920), (229, 298960), (296, 231290), (370, 185032), (404, 169460), (458, 149480), (505, 135568), (592, 115645), (740, 92516), (808, 84730), (916, 74740), (1010, 67784), (1145, 59792), (1480, 46258), (1616, 42365), (1832, 37370), (2020, 33892), (2290, 29896), (2960, 23129), (3664, 18685), (3737, 18320), (4040, 16946), (4580, 14948), (7474, 9160), (8080, 8473)]