641136320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{182141}}^1$

素因数の和:182169

約数の個数: 56

約数和(自身を含む): 1665506448

約数和(自身を除く): 1024370128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 182141, 364282, 728564, 910705, 1457128, 1821410, 2003551, 2914256, 3642820, 4007102, 5828512, 7285640, 8014204, 10017755, 11657024, 14571280, 16028408, 20035510, 29142560, 32056816, 40071020, 58285120, 64113632, 80142040, 128227264, 160284080, 320568160, 641136320]

約数ペア:

[(1, 641136320), (2, 320568160), (4, 160284080), (5, 128227264), (8, 80142040), (10, 64113632), (11, 58285120), (16, 40071020), (20, 32056816), (22, 29142560), (32, 20035510), (40, 16028408), (44, 14571280), (55, 11657024), (64, 10017755), (80, 8014204), (88, 7285640), (110, 5828512), (160, 4007102), (176, 3642820), (220, 2914256), (320, 2003551), (352, 1821410), (440, 1457128), (704, 910705), (880, 728564), (1760, 364282), (3520, 182141)]