1555647580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{2791}}^1$

素因数の和:2891

約数の個数: 72

約数和(自身を含む): 3493294560

約数和(自身を除く): 1937646980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 961, 1798, 1922, 2791, 3596, 3844, 4495, 4805, 5582, 8990, 9610, 11164, 13955, 17980, 19220, 27869, 27910, 55738, 55820, 80939, 86521, 111476, 139345, 161878, 173042, 278690, 323756, 346084, 404695, 432605, 557380, 809390, 865210, 1618780, 1730420, 2509109, 2682151, 5018218, 5364302, 10036436, 10728604, 12545545, 13410755, 25091090, 26821510, 50182180, 53643020, 77782379, 155564758, 311129516, 388911895, 777823790, 1555647580]

約数ペア:

[(1, 1555647580), (2, 777823790), (4, 388911895), (5, 311129516), (10, 155564758), (20, 77782379), (29, 53643020), (31, 50182180), (58, 26821510), (62, 25091090), (116, 13410755), (124, 12545545), (145, 10728604), (155, 10036436), (290, 5364302), (310, 5018218), (580, 2682151), (620, 2509109), (899, 1730420), (961, 1618780), (1798, 865210), (1922, 809390), (2791, 557380), (3596, 432605), (3844, 404695), (4495, 346084), (4805, 323756), (5582, 278690), (8990, 173042), (9610, 161878), (11164, 139345), (13955, 111476), (17980, 86521), (19220, 80939), (27869, 55820), (27910, 55738)]