17910880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 46569600

約数和(自身を除く): 28658720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 109, 130, 158, 160, 208, 218, 260, 316, 395, 416, 436, 520, 545, 632, 790, 872, 1027, 1040, 1090, 1264, 1417, 1580, 1744, 2054, 2080, 2180, 2528, 2834, 3160, 3488, 4108, 4360, 5135, 5668, 6320, 7085, 8216, 8611, 8720, 10270, 11336, 12640, 14170, 16432, 17222, 17440, 20540, 22672, 28340, 32864, 34444, 41080, 43055, 45344, 56680, 68888, 82160, 86110, 111943, 113360, 137776, 164320, 172220, 223886, 226720, 275552, 344440, 447772, 559715, 688880, 895544, 1119430, 1377760, 1791088, 2238860, 3582176, 4477720, 8955440, 17910880]

約数ペア:

[(1, 17910880), (2, 8955440), (4, 4477720), (5, 3582176), (8, 2238860), (10, 1791088), (13, 1377760), (16, 1119430), (20, 895544), (26, 688880), (32, 559715), (40, 447772), (52, 344440), (65, 275552), (79, 226720), (80, 223886), (104, 172220), (109, 164320), (130, 137776), (158, 113360), (160, 111943), (208, 86110), (218, 82160), (260, 68888), (316, 56680), (395, 45344), (416, 43055), (436, 41080), (520, 34444), (545, 32864), (632, 28340), (790, 22672), (872, 20540), (1027, 17440), (1040, 17222), (1090, 16432), (1264, 14170), (1417, 12640), (1580, 11336), (1744, 10270), (2054, 8720), (2080, 8611), (2180, 8216), (2528, 7085), (2834, 6320), (3160, 5668), (3488, 5135), (4108, 4360)]