66271660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2801}}^1$

素因数の和:2843

約数の個数: 72

約数和(自身を含む): 172289376

約数和(自身を除く): 106017716

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 2801, 3380, 4732, 5602, 5915, 11204, 11830, 14005, 19607, 23660, 28010, 36413, 39214, 56020, 72826, 78428, 98035, 145652, 182065, 196070, 254891, 364130, 392140, 473369, 509782, 728260, 946738, 1019564, 1274455, 1893476, 2366845, 2548910, 3313583, 4733690, 5097820, 6627166, 9467380, 13254332, 16567915, 33135830, 66271660]

約数ペア:

[(1, 66271660), (2, 33135830), (4, 16567915), (5, 13254332), (7, 9467380), (10, 6627166), (13, 5097820), (14, 4733690), (20, 3313583), (26, 2548910), (28, 2366845), (35, 1893476), (52, 1274455), (65, 1019564), (70, 946738), (91, 728260), (130, 509782), (140, 473369), (169, 392140), (182, 364130), (260, 254891), (338, 196070), (364, 182065), (455, 145652), (676, 98035), (845, 78428), (910, 72826), (1183, 56020), (1690, 39214), (1820, 36413), (2366, 28010), (2801, 23660), (3380, 19607), (4732, 14005), (5602, 11830), (5915, 11204)]