550173780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{235117}}^1$

素因数の和:235145

約数の個数: 72

約数和(自身を含む): 1797241992

約数和(自身を除く): 1247068212

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, 235117, 470234, 705351, 940468, 1175585, 1410702, 2116053, 2351170, 2821404, 3056521, 3526755, 4232106, 4702340, 6113042, 7053510, 8464212, 9169563, 10580265, 12226084, 14107020, 15282605, 18339126, 21160530, 27508689, 30565210, 36678252, 42321060, 45847815, 55017378, 61130420, 91695630, 110034756, 137543445, 183391260, 275086890, 550173780]

約数ペア:

[(1, 550173780), (2, 275086890), (3, 183391260), (4, 137543445), (5, 110034756), (6, 91695630), (9, 61130420), (10, 55017378), (12, 45847815), (13, 42321060), (15, 36678252), (18, 30565210), (20, 27508689), (26, 21160530), (30, 18339126), (36, 15282605), (39, 14107020), (45, 12226084), (52, 10580265), (60, 9169563), (65, 8464212), (78, 7053510), (90, 6113042), (117, 4702340), (130, 4232106), (156, 3526755), (180, 3056521), (195, 2821404), (234, 2351170), (260, 2116053), (390, 1410702), (468, 1175585), (585, 940468), (780, 705351), (1170, 470234), (2340, 235117)]