1292113880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{2447}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 2985776640

約数和(自身を除く): 1693662760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 307, 344, 430, 614, 860, 1228, 1535, 1720, 2447, 2456, 3070, 4894, 6140, 9788, 12235, 12280, 13201, 19576, 24470, 26402, 48940, 52804, 66005, 97880, 105221, 105608, 132010, 210442, 264020, 420884, 526105, 528040, 751229, 841768, 1052210, 1502458, 2104420, 3004916, 3756145, 4208840, 6009832, 7512290, 15024580, 30049160, 32302847, 64605694, 129211388, 161514235, 258422776, 323028470, 646056940, 1292113880]

約数ペア:

[(1, 1292113880), (2, 646056940), (4, 323028470), (5, 258422776), (8, 161514235), (10, 129211388), (20, 64605694), (40, 32302847), (43, 30049160), (86, 15024580), (172, 7512290), (215, 6009832), (307, 4208840), (344, 3756145), (430, 3004916), (614, 2104420), (860, 1502458), (1228, 1052210), (1535, 841768), (1720, 751229), (2447, 528040), (2456, 526105), (3070, 420884), (4894, 264020), (6140, 210442), (9788, 132010), (12235, 105608), (12280, 105221), (13201, 97880), (19576, 66005), (24470, 52804), (26402, 48940)]