66123640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2243}}^1$

素因数の和:2332

約数の個数: 64

約数和(自身を含む): 164799360

約数和(自身を除く): 98675720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2243, 2680, 2948, 3685, 4486, 5896, 7370, 8972, 11215, 14740, 17944, 22430, 24673, 29480, 44860, 49346, 89720, 98692, 123365, 150281, 197384, 246730, 300562, 493460, 601124, 751405, 986920, 1202248, 1502810, 1653091, 3005620, 3306182, 6011240, 6612364, 8265455, 13224728, 16530910, 33061820, 66123640]

約数ペア:

[(1, 66123640), (2, 33061820), (4, 16530910), (5, 13224728), (8, 8265455), (10, 6612364), (11, 6011240), (20, 3306182), (22, 3005620), (40, 1653091), (44, 1502810), (55, 1202248), (67, 986920), (88, 751405), (110, 601124), (134, 493460), (220, 300562), (268, 246730), (335, 197384), (440, 150281), (536, 123365), (670, 98692), (737, 89720), (1340, 49346), (1474, 44860), (2243, 29480), (2680, 24673), (2948, 22430), (3685, 17944), (4486, 14740), (5896, 11215), (7370, 8972)]