6642680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 16865280

約数和(自身を除く): 10222600

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, 487, 620, 682, 974, 1240, 1364, 1705, 1948, 2435, 2728, 3410, 3896, 4870, 5357, 6820, 9740, 10714, 13640, 15097, 19480, 21428, 26785, 30194, 42856, 53570, 60388, 75485, 107140, 120776, 150970, 166067, 214280, 301940, 332134, 603880, 664268, 830335, 1328536, 1660670, 3321340, 6642680]

約数ペア:

[(1, 6642680), (2, 3321340), (4, 1660670), (5, 1328536), (8, 830335), (10, 664268), (11, 603880), (20, 332134), (22, 301940), (31, 214280), (40, 166067), (44, 150970), (55, 120776), (62, 107140), (88, 75485), (110, 60388), (124, 53570), (155, 42856), (220, 30194), (248, 26785), (310, 21428), (341, 19480), (440, 15097), (487, 13640), (620, 10714), (682, 9740), (974, 6820), (1240, 5357), (1364, 4870), (1705, 3896), (1948, 3410), (2435, 2728)]