2021411220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{257177}}^1$

素因数の和:257320

約数の個数: 48

約数和(自身を含む): 5703179328

約数和(自身を除く): 3681768108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 257177, 514354, 771531, 1028708, 1285885, 1543062, 2571770, 3086124, 3857655, 5143540, 7715310, 15430620, 33690187, 67380374, 101070561, 134760748, 168450935, 202141122, 336901870, 404282244, 505352805, 673803740, 1010705610, 2021411220]

約数ペア:

[(1, 2021411220), (2, 1010705610), (3, 673803740), (4, 505352805), (5, 404282244), (6, 336901870), (10, 202141122), (12, 168450935), (15, 134760748), (20, 101070561), (30, 67380374), (60, 33690187), (131, 15430620), (262, 7715310), (393, 5143540), (524, 3857655), (655, 3086124), (786, 2571770), (1310, 1543062), (1572, 1285885), (1965, 1028708), (2620, 771531), (3930, 514354), (7860, 257177)]