243978680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{577}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 619870320

約数和(自身を除く): 375891640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 577, 620, 682, 961, 1154, 1240, 1364, 1705, 1922, 2308, 2728, 2885, 3410, 3844, 4616, 4805, 5770, 6347, 6820, 7688, 9610, 10571, 11540, 12694, 13640, 17887, 19220, 21142, 23080, 25388, 31735, 35774, 38440, 42284, 50776, 52855, 63470, 71548, 84568, 89435, 105710, 126940, 143096, 178870, 196757, 211420, 253880, 357740, 393514, 422840, 554497, 715480, 787028, 983785, 1108994, 1574056, 1967570, 2217988, 2772485, 3935140, 4435976, 5544970, 6099467, 7870280, 11089940, 12198934, 22179880, 24397868, 30497335, 48795736, 60994670, 121989340, 243978680]

約数ペア:

[(1, 243978680), (2, 121989340), (4, 60994670), (5, 48795736), (8, 30497335), (10, 24397868), (11, 22179880), (20, 12198934), (22, 11089940), (31, 7870280), (40, 6099467), (44, 5544970), (55, 4435976), (62, 3935140), (88, 2772485), (110, 2217988), (124, 1967570), (155, 1574056), (220, 1108994), (248, 983785), (310, 787028), (341, 715480), (440, 554497), (577, 422840), (620, 393514), (682, 357740), (961, 253880), (1154, 211420), (1240, 196757), (1364, 178870), (1705, 143096), (1922, 126940), (2308, 105710), (2728, 89435), (2885, 84568), (3410, 71548), (3844, 63470), (4616, 52855), (4805, 50776), (5770, 42284), (6347, 38440), (6820, 35774), (7688, 31735), (9610, 25388), (10571, 23080), (11540, 21142), (12694, 19220), (13640, 17887)]