2513720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 6415200

約数和(自身を除く): 3901480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 197, 220, 232, 290, 319, 394, 440, 580, 638, 788, 985, 1160, 1276, 1576, 1595, 1970, 2167, 2552, 3190, 3940, 4334, 5713, 6380, 7880, 8668, 10835, 11426, 12760, 17336, 21670, 22852, 28565, 43340, 45704, 57130, 62843, 86680, 114260, 125686, 228520, 251372, 314215, 502744, 628430, 1256860, 2513720]

約数ペア:

[(1, 2513720), (2, 1256860), (4, 628430), (5, 502744), (8, 314215), (10, 251372), (11, 228520), (20, 125686), (22, 114260), (29, 86680), (40, 62843), (44, 57130), (55, 45704), (58, 43340), (88, 28565), (110, 22852), (116, 21670), (145, 17336), (197, 12760), (220, 11426), (232, 10835), (290, 8668), (319, 7880), (394, 6380), (440, 5713), (580, 4334), (638, 3940), (788, 3190), (985, 2552), (1160, 2167), (1276, 1970), (1576, 1595)]