15907180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 36056160

約数和(自身を除く): 20148980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1021, 1558, 2042, 3116, 3895, 4084, 5105, 7790, 10210, 15580, 19399, 20420, 38798, 41861, 77596, 83722, 96995, 167444, 193990, 209305, 387980, 418610, 795359, 837220, 1590718, 3181436, 3976795, 7953590, 15907180]

約数ペア:

[(1, 15907180), (2, 7953590), (4, 3976795), (5, 3181436), (10, 1590718), (19, 837220), (20, 795359), (38, 418610), (41, 387980), (76, 209305), (82, 193990), (95, 167444), (164, 96995), (190, 83722), (205, 77596), (380, 41861), (410, 38798), (779, 20420), (820, 19399), (1021, 15580), (1558, 10210), (2042, 7790), (3116, 5105), (3895, 4084)]