127992040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{631}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 315342720

約数和(自身を除く): 187350680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 461, 631, 922, 1262, 1844, 2305, 2524, 3155, 3688, 4610, 5048, 5071, 6310, 6941, 9220, 10142, 12620, 13882, 18440, 20284, 25240, 25355, 27764, 34705, 40568, 50710, 55528, 69410, 101420, 138820, 202840, 277640, 290891, 581782, 1163564, 1454455, 2327128, 2908910, 3199801, 5817820, 6399602, 11635640, 12799204, 15999005, 25598408, 31998010, 63996020, 127992040]

約数ペア:

[(1, 127992040), (2, 63996020), (4, 31998010), (5, 25598408), (8, 15999005), (10, 12799204), (11, 11635640), (20, 6399602), (22, 5817820), (40, 3199801), (44, 2908910), (55, 2327128), (88, 1454455), (110, 1163564), (220, 581782), (440, 290891), (461, 277640), (631, 202840), (922, 138820), (1262, 101420), (1844, 69410), (2305, 55528), (2524, 50710), (3155, 40568), (3688, 34705), (4610, 27764), (5048, 25355), (5071, 25240), (6310, 20284), (6941, 18440), (9220, 13882), (10142, 12620)]