129251640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153871}}^1$

素因数の和:153892

約数の個数: 64

約数和(自身を含む): 443151360

約数和(自身を除く): 313899720

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, 153871, 307742, 461613, 615484, 769355, 923226, 1077097, 1230968, 1538710, 1846452, 2154194, 2308065, 3077420, 3231291, 3692904, 4308388, 4616130, 5385485, 6154840, 6462582, 8616776, 9232260, 10770970, 12925164, 16156455, 18464520, 21541940, 25850328, 32312910, 43083880, 64625820, 129251640]

約数ペア:

[(1, 129251640), (2, 64625820), (3, 43083880), (4, 32312910), (5, 25850328), (6, 21541940), (7, 18464520), (8, 16156455), (10, 12925164), (12, 10770970), (14, 9232260), (15, 8616776), (20, 6462582), (21, 6154840), (24, 5385485), (28, 4616130), (30, 4308388), (35, 3692904), (40, 3231291), (42, 3077420), (56, 2308065), (60, 2154194), (70, 1846452), (84, 1538710), (105, 1230968), (120, 1077097), (140, 923226), (168, 769355), (210, 615484), (280, 461613), (420, 307742), (840, 153871)]