163901640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195121}}^1$

素因数の和:195142

約数の個数: 64

約数和(自身を含む): 561951360

約数和(自身を除く): 398049720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 195121, 390242, 585363, 780484, 975605, 1170726, 1365847, 1560968, 1951210, 2341452, 2731694, 2926815, 3902420, 4097541, 4682904, 5463388, 5853630, 6829235, 7804840, 8195082, 10926776, 11707260, 13658470, 16390164, 20487705, 23414520, 27316940, 32780328, 40975410, 54633880, 81950820, 163901640]

約数ペア:

[(1, 163901640), (2, 81950820), (3, 54633880), (4, 40975410), (5, 32780328), (6, 27316940), (7, 23414520), (8, 20487705), (10, 16390164), (12, 13658470), (14, 11707260), (15, 10926776), (20, 8195082), (21, 7804840), (24, 6829235), (28, 5853630), (30, 5463388), (35, 4682904), (40, 4097541), (42, 3902420), (56, 2926815), (60, 2731694), (70, 2341452), (84, 1951210), (105, 1560968), (120, 1365847), (140, 1170726), (168, 975605), (210, 780484), (280, 585363), (420, 390242), (840, 195121)]