74637680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1738

約数の個数: 80

約数和(自身を含む): 191341920

約数和(自身を除く): 116704240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1669, 1720, 2236, 2795, 3338, 3440, 4472, 5590, 6676, 8345, 8944, 11180, 13352, 16690, 21697, 22360, 26704, 33380, 43394, 44720, 66760, 71767, 86788, 108485, 133520, 143534, 173576, 216970, 287068, 347152, 358835, 433940, 574136, 717670, 867880, 932971, 1148272, 1435340, 1735760, 1865942, 2870680, 3731884, 4664855, 5741360, 7463768, 9329710, 14927536, 18659420, 37318840, 74637680]

約数ペア:

[(1, 74637680), (2, 37318840), (4, 18659420), (5, 14927536), (8, 9329710), (10, 7463768), (13, 5741360), (16, 4664855), (20, 3731884), (26, 2870680), (40, 1865942), (43, 1735760), (52, 1435340), (65, 1148272), (80, 932971), (86, 867880), (104, 717670), (130, 574136), (172, 433940), (208, 358835), (215, 347152), (260, 287068), (344, 216970), (430, 173576), (520, 143534), (559, 133520), (688, 108485), (860, 86788), (1040, 71767), (1118, 66760), (1669, 44720), (1720, 43394), (2236, 33380), (2795, 26704), (3338, 22360), (3440, 21697), (4472, 16690), (5590, 13352), (6676, 11180), (8345, 8944)]