15492220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 34876800

約数和(自身を除く): 19384580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 691, 1121, 1180, 1382, 2242, 2764, 3455, 4484, 5605, 6910, 11210, 13129, 13820, 22420, 26258, 40769, 52516, 65645, 81538, 131290, 163076, 203845, 262580, 407690, 774611, 815380, 1549222, 3098444, 3873055, 7746110, 15492220]

約数ペア:

[(1, 15492220), (2, 7746110), (4, 3873055), (5, 3098444), (10, 1549222), (19, 815380), (20, 774611), (38, 407690), (59, 262580), (76, 203845), (95, 163076), (118, 131290), (190, 81538), (236, 65645), (295, 52516), (380, 40769), (590, 26258), (691, 22420), (1121, 13820), (1180, 13129), (1382, 11210), (2242, 6910), (2764, 5605), (3455, 4484)]