165280280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12953}}^1$

素因数の和:13004

約数の個数: 64

約数和(自身を含む): 419709600

約数和(自身を除く): 254429320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 12953, 25906, 51812, 64765, 103624, 129530, 142483, 259060, 284966, 375637, 518120, 569932, 712415, 751274, 1139864, 1424830, 1502548, 1878185, 2849660, 3005096, 3756370, 4132007, 5699320, 7512740, 8264014, 15025480, 16528028, 20660035, 33056056, 41320070, 82640140, 165280280]

約数ペア:

[(1, 165280280), (2, 82640140), (4, 41320070), (5, 33056056), (8, 20660035), (10, 16528028), (11, 15025480), (20, 8264014), (22, 7512740), (29, 5699320), (40, 4132007), (44, 3756370), (55, 3005096), (58, 2849660), (88, 1878185), (110, 1502548), (116, 1424830), (145, 1139864), (220, 751274), (232, 712415), (290, 569932), (319, 518120), (440, 375637), (580, 284966), (638, 259060), (1160, 142483), (1276, 129530), (1595, 103624), (2552, 64765), (3190, 51812), (6380, 25906), (12760, 12953)]