87415280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{919}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 215611200

約数和(自身を除く): 128195920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 656, 820, 919, 1160, 1189, 1640, 1838, 2320, 2378, 3280, 3676, 4595, 4756, 5945, 7352, 9190, 9512, 11890, 14704, 18380, 19024, 23780, 26651, 36760, 37679, 47560, 53302, 73520, 75358, 95120, 106604, 133255, 150716, 188395, 213208, 266510, 301432, 376790, 426416, 533020, 602864, 753580, 1066040, 1092691, 1507160, 2132080, 2185382, 3014320, 4370764, 5463455, 8741528, 10926910, 17483056, 21853820, 43707640, 87415280]

約数ペア:

[(1, 87415280), (2, 43707640), (4, 21853820), (5, 17483056), (8, 10926910), (10, 8741528), (16, 5463455), (20, 4370764), (29, 3014320), (40, 2185382), (41, 2132080), (58, 1507160), (80, 1092691), (82, 1066040), (116, 753580), (145, 602864), (164, 533020), (205, 426416), (232, 376790), (290, 301432), (328, 266510), (410, 213208), (464, 188395), (580, 150716), (656, 133255), (820, 106604), (919, 95120), (1160, 75358), (1189, 73520), (1640, 53302), (1838, 47560), (2320, 37679), (2378, 36760), (3280, 26651), (3676, 23780), (4595, 19024), (4756, 18380), (5945, 14704), (7352, 11890), (9190, 9512)]