17512720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 43925760

約数和(自身を除く): 26413040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 163, 170, 272, 316, 326, 340, 395, 632, 652, 680, 790, 815, 1264, 1304, 1343, 1360, 1580, 1630, 2608, 2686, 2771, 3160, 3260, 5372, 5542, 6320, 6520, 6715, 10744, 11084, 12877, 13040, 13430, 13855, 21488, 22168, 25754, 26860, 27710, 44336, 51508, 53720, 55420, 64385, 103016, 107440, 110840, 128770, 206032, 218909, 221680, 257540, 437818, 515080, 875636, 1030160, 1094545, 1751272, 2189090, 3502544, 4378180, 8756360, 17512720]

約数ペア:

[(1, 17512720), (2, 8756360), (4, 4378180), (5, 3502544), (8, 2189090), (10, 1751272), (16, 1094545), (17, 1030160), (20, 875636), (34, 515080), (40, 437818), (68, 257540), (79, 221680), (80, 218909), (85, 206032), (136, 128770), (158, 110840), (163, 107440), (170, 103016), (272, 64385), (316, 55420), (326, 53720), (340, 51508), (395, 44336), (632, 27710), (652, 26860), (680, 25754), (790, 22168), (815, 21488), (1264, 13855), (1304, 13430), (1343, 13040), (1360, 12877), (1580, 11084), (1630, 10744), (2608, 6715), (2686, 6520), (2771, 6320), (3160, 5542), (3260, 5372)]