251647320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4271}}^1$

素因数の和:4776

約数の個数: 64

約数和(自身を含む): 756656640

約数和(自身を除く): 505009320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1473, 1964, 2455, 2946, 3928, 4271, 4910, 5892, 7365, 8542, 9820, 11784, 12813, 14730, 17084, 19640, 21355, 25626, 29460, 34168, 42710, 51252, 58920, 64065, 85420, 102504, 128130, 170840, 256260, 512520, 2097061, 4194122, 6291183, 8388244, 10485305, 12582366, 16776488, 20970610, 25164732, 31455915, 41941220, 50329464, 62911830, 83882440, 125823660, 251647320]

約数ペア:

[(1, 251647320), (2, 125823660), (3, 83882440), (4, 62911830), (5, 50329464), (6, 41941220), (8, 31455915), (10, 25164732), (12, 20970610), (15, 16776488), (20, 12582366), (24, 10485305), (30, 8388244), (40, 6291183), (60, 4194122), (120, 2097061), (491, 512520), (982, 256260), (1473, 170840), (1964, 128130), (2455, 102504), (2946, 85420), (3928, 64065), (4271, 58920), (4910, 51252), (5892, 42710), (7365, 34168), (8542, 29460), (9820, 25626), (11784, 21355), (12813, 19640), (14730, 17084)]