820635660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{350699}}^1$

素因数の和:350727

約数の個数: 72

約数和(自身を含む): 2680750800

約数和(自身を除く): 1860115140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 350699, 701398, 1052097, 1402796, 1753495, 2104194, 3156291, 3506990, 4208388, 4559087, 5260485, 6312582, 7013980, 9118174, 10520970, 12625164, 13677261, 15781455, 18236348, 21041940, 22795435, 27354522, 31562910, 41031783, 45590870, 54709044, 63125820, 68386305, 82063566, 91181740, 136772610, 164127132, 205158915, 273545220, 410317830, 820635660]

約数ペア:

[(1, 820635660), (2, 410317830), (3, 273545220), (4, 205158915), (5, 164127132), (6, 136772610), (9, 91181740), (10, 82063566), (12, 68386305), (13, 63125820), (15, 54709044), (18, 45590870), (20, 41031783), (26, 31562910), (30, 27354522), (36, 22795435), (39, 21041940), (45, 18236348), (52, 15781455), (60, 13677261), (65, 12625164), (78, 10520970), (90, 9118174), (117, 7013980), (130, 6312582), (156, 5260485), (180, 4559087), (195, 4208388), (234, 3506990), (260, 3156291), (390, 2104194), (468, 1753495), (585, 1402796), (780, 1052097), (1170, 701398), (2340, 350699)]