68855220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54647}}^1$

素因数の和:54669

約数の個数: 72

約数和(自身を含む): 238702464

約数和(自身を除く): 169847244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 54647, 109294, 163941, 218588, 273235, 327882, 382529, 491823, 546470, 655764, 765058, 819705, 983646, 1092940, 1147587, 1530116, 1639410, 1912645, 1967292, 2295174, 2459115, 3278820, 3442761, 3825290, 4590348, 4918230, 5737935, 6885522, 7650580, 9836460, 11475870, 13771044, 17213805, 22951740, 34427610, 68855220]

約数ペア:

[(1, 68855220), (2, 34427610), (3, 22951740), (4, 17213805), (5, 13771044), (6, 11475870), (7, 9836460), (9, 7650580), (10, 6885522), (12, 5737935), (14, 4918230), (15, 4590348), (18, 3825290), (20, 3442761), (21, 3278820), (28, 2459115), (30, 2295174), (35, 1967292), (36, 1912645), (42, 1639410), (45, 1530116), (60, 1147587), (63, 1092940), (70, 983646), (84, 819705), (90, 765058), (105, 655764), (126, 546470), (140, 491823), (180, 382529), (210, 327882), (252, 273235), (315, 218588), (420, 163941), (630, 109294), (1260, 54647)]