7920036990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{136013}}^1$

素因数の和:136673

約数の個数: 48

約数和(自身を含む): 20624074848

約数和(自身を除く): 12704037858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 647, 1294, 1941, 3235, 3882, 5823, 6470, 9705, 11646, 19410, 29115, 58230, 136013, 272026, 408039, 680065, 816078, 1224117, 1360130, 2040195, 2448234, 4080390, 6120585, 12241170, 88000411, 176000822, 264001233, 440002055, 528002466, 792003699, 880004110, 1320006165, 1584007398, 2640012330, 3960018495, 7920036990]

約数ペア:

[(1, 7920036990), (2, 3960018495), (3, 2640012330), (5, 1584007398), (6, 1320006165), (9, 880004110), (10, 792003699), (15, 528002466), (18, 440002055), (30, 264001233), (45, 176000822), (90, 88000411), (647, 12241170), (1294, 6120585), (1941, 4080390), (3235, 2448234), (3882, 2040195), (5823, 1360130), (6470, 1224117), (9705, 816078), (11646, 680065), (19410, 408039), (29115, 272026), (58230, 136013)]