91684240

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 219628800

約数和(自身を除く): 127944560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 89, 158, 163, 178, 316, 326, 356, 395, 445, 632, 652, 712, 790, 815, 890, 1264, 1304, 1424, 1580, 1630, 1780, 2608, 3160, 3260, 3560, 6320, 6520, 7031, 7120, 12877, 13040, 14062, 14507, 25754, 28124, 29014, 35155, 51508, 56248, 58028, 64385, 70310, 72535, 103016, 112496, 116056, 128770, 140620, 145070, 206032, 232112, 257540, 281240, 290140, 515080, 562480, 580280, 1030160, 1146053, 1160560, 2292106, 4584212, 5730265, 9168424, 11460530, 18336848, 22921060, 45842120, 91684240]

約数ペア:

[(1, 91684240), (2, 45842120), (4, 22921060), (5, 18336848), (8, 11460530), (10, 9168424), (16, 5730265), (20, 4584212), (40, 2292106), (79, 1160560), (80, 1146053), (89, 1030160), (158, 580280), (163, 562480), (178, 515080), (316, 290140), (326, 281240), (356, 257540), (395, 232112), (445, 206032), (632, 145070), (652, 140620), (712, 128770), (790, 116056), (815, 112496), (890, 103016), (1264, 72535), (1304, 70310), (1424, 64385), (1580, 58028), (1630, 56248), (1780, 51508), (2608, 35155), (3160, 29014), (3260, 28124), (3560, 25754), (6320, 14507), (6520, 14062), (7031, 13040), (7120, 12877)]