155071760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 375481920

約数和(自身を除く): 220410160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 80, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 688, 739, 860, 976, 1220, 1478, 1720, 2440, 2623, 2956, 3440, 3695, 4880, 5246, 5912, 7390, 10492, 11824, 13115, 14780, 20984, 26230, 29560, 31777, 41968, 45079, 52460, 59120, 63554, 90158, 104920, 127108, 158885, 180316, 209840, 225395, 254216, 317770, 360632, 450790, 508432, 635540, 721264, 901580, 1271080, 1803160, 1938397, 2542160, 3606320, 3876794, 7753588, 9691985, 15507176, 19383970, 31014352, 38767940, 77535880, 155071760]

約数ペア:

[(1, 155071760), (2, 77535880), (4, 38767940), (5, 31014352), (8, 19383970), (10, 15507176), (16, 9691985), (20, 7753588), (40, 3876794), (43, 3606320), (61, 2542160), (80, 1938397), (86, 1803160), (122, 1271080), (172, 901580), (215, 721264), (244, 635540), (305, 508432), (344, 450790), (430, 360632), (488, 317770), (610, 254216), (688, 225395), (739, 209840), (860, 180316), (976, 158885), (1220, 127108), (1478, 104920), (1720, 90158), (2440, 63554), (2623, 59120), (2956, 52460), (3440, 45079), (3695, 41968), (4880, 31777), (5246, 29560), (5912, 26230), (7390, 20984), (10492, 14780), (11824, 13115)]