123642805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 185068800

約数和(自身を除く): 61425995

約数列:

[1, 5, 11, 13, 29, 55, 65, 67, 89, 143, 145, 319, 335, 377, 445, 715, 737, 871, 979, 1157, 1595, 1885, 1943, 2581, 3685, 4147, 4355, 4895, 5785, 5963, 9581, 9715, 12727, 12905, 20735, 21373, 25259, 28391, 29815, 33553, 47905, 63635, 65593, 77519, 106865, 126295, 141955, 167765, 172927, 277849, 327965, 369083, 387595, 852709, 864635, 1389245, 1845415, 1902197, 2248051, 4263545, 9510985, 11240255, 24728561, 123642805]

約数ペア:

[(1, 123642805), (5, 24728561), (11, 11240255), (13, 9510985), (29, 4263545), (55, 2248051), (65, 1902197), (67, 1845415), (89, 1389245), (143, 864635), (145, 852709), (319, 387595), (335, 369083), (377, 327965), (445, 277849), (715, 172927), (737, 167765), (871, 141955), (979, 126295), (1157, 106865), (1595, 77519), (1885, 65593), (1943, 63635), (2581, 47905), (3685, 33553), (4147, 29815), (4355, 28391), (4895, 25259), (5785, 21373), (5963, 20735), (9581, 12905), (9715, 12727)]