205437240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{570659}}^1$

素因数の和:570676

約数の個数: 48

約数和(自身を含む): 667672200

約数和(自身を除く): 462234960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 570659, 1141318, 1711977, 2282636, 2853295, 3423954, 4565272, 5135931, 5706590, 6847908, 8559885, 10271862, 11413180, 13695816, 17119770, 20543724, 22826360, 25679655, 34239540, 41087448, 51359310, 68479080, 102718620, 205437240]

約数ペア:

[(1, 205437240), (2, 102718620), (3, 68479080), (4, 51359310), (5, 41087448), (6, 34239540), (8, 25679655), (9, 22826360), (10, 20543724), (12, 17119770), (15, 13695816), (18, 11413180), (20, 10271862), (24, 8559885), (30, 6847908), (36, 5706590), (40, 5135931), (45, 4565272), (60, 3423954), (72, 2853295), (90, 2282636), (120, 1711977), (180, 1141318), (360, 570659)]