68828940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{42487}}^1$

素因数の和:42508

約数の個数: 60

約数和(自身を含む): 215924016

約数和(自身を除く): 147095076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 42487, 84974, 127461, 169948, 212435, 254922, 382383, 424870, 509844, 637305, 764766, 849740, 1147149, 1274610, 1529532, 1911915, 2294298, 2549220, 3441447, 3823830, 4588596, 5735745, 6882894, 7647660, 11471490, 13765788, 17207235, 22942980, 34414470, 68828940]

約数ペア:

[(1, 68828940), (2, 34414470), (3, 22942980), (4, 17207235), (5, 13765788), (6, 11471490), (9, 7647660), (10, 6882894), (12, 5735745), (15, 4588596), (18, 3823830), (20, 3441447), (27, 2549220), (30, 2294298), (36, 1911915), (45, 1529532), (54, 1274610), (60, 1147149), (81, 849740), (90, 764766), (108, 637305), (135, 509844), (162, 424870), (180, 382383), (270, 254922), (324, 212435), (405, 169948), (540, 127461), (810, 84974), (1620, 42487)]