156975460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 354800376

約数和(自身を除く): 197824916

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 401, 460, 529, 740, 802, 851, 1058, 1604, 1702, 2005, 2116, 2645, 3404, 4010, 4255, 5290, 8020, 8510, 9223, 10580, 14837, 17020, 18446, 19573, 29674, 36892, 39146, 46115, 59348, 74185, 78292, 92230, 97865, 148370, 184460, 195730, 212129, 296740, 341251, 391460, 424258, 682502, 848516, 1060645, 1365004, 1706255, 2121290, 3412510, 4242580, 6825020, 7848773, 15697546, 31395092, 39243865, 78487730, 156975460]

約数ペア:

[(1, 156975460), (2, 78487730), (4, 39243865), (5, 31395092), (10, 15697546), (20, 7848773), (23, 6825020), (37, 4242580), (46, 3412510), (74, 2121290), (92, 1706255), (115, 1365004), (148, 1060645), (185, 848516), (230, 682502), (370, 424258), (401, 391460), (460, 341251), (529, 296740), (740, 212129), (802, 195730), (851, 184460), (1058, 148370), (1604, 97865), (1702, 92230), (2005, 78292), (2116, 74185), (2645, 59348), (3404, 46115), (4010, 39146), (4255, 36892), (5290, 29674), (8020, 19573), (8510, 18446), (9223, 17020), (10580, 14837)]