128192440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1543}}^1$

素因数の和:1652

約数の個数: 64

約数和(自身を含む): 302376960

約数和(自身を除く): 174184520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 670, 1240, 1340, 1543, 2077, 2680, 3086, 4154, 6172, 7715, 8308, 10385, 12344, 15430, 16616, 20770, 30860, 41540, 47833, 61720, 83080, 95666, 103381, 191332, 206762, 239165, 382664, 413524, 478330, 516905, 827048, 956660, 1033810, 1913320, 2067620, 3204811, 4135240, 6409622, 12819244, 16024055, 25638488, 32048110, 64096220, 128192440]

約数ペア:

[(1, 128192440), (2, 64096220), (4, 32048110), (5, 25638488), (8, 16024055), (10, 12819244), (20, 6409622), (31, 4135240), (40, 3204811), (62, 2067620), (67, 1913320), (124, 1033810), (134, 956660), (155, 827048), (248, 516905), (268, 478330), (310, 413524), (335, 382664), (536, 239165), (620, 206762), (670, 191332), (1240, 103381), (1340, 95666), (1543, 83080), (2077, 61720), (2680, 47833), (3086, 41540), (4154, 30860), (6172, 20770), (7715, 16616), (8308, 15430), (10385, 12344)]