1520335760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{1223}}^1$

素因数の和:1656

約数の個数: 80

約数和(自身を含む): 3633517440

約数和(自身を除く): 2113181680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 379, 410, 656, 758, 820, 1223, 1516, 1640, 1895, 2446, 3032, 3280, 3790, 4892, 6064, 6115, 7580, 9784, 12230, 15160, 15539, 19568, 24460, 30320, 31078, 48920, 50143, 62156, 77695, 97840, 100286, 124312, 155390, 200572, 248624, 250715, 310780, 401144, 463517, 501430, 621560, 802288, 927034, 1002860, 1243120, 1854068, 2005720, 2317585, 3708136, 4011440, 4635170, 7416272, 9270340, 18540680, 19004197, 37081360, 38008394, 76016788, 95020985, 152033576, 190041970, 304067152, 380083940, 760167880, 1520335760]

約数ペア:

[(1, 1520335760), (2, 760167880), (4, 380083940), (5, 304067152), (8, 190041970), (10, 152033576), (16, 95020985), (20, 76016788), (40, 38008394), (41, 37081360), (80, 19004197), (82, 18540680), (164, 9270340), (205, 7416272), (328, 4635170), (379, 4011440), (410, 3708136), (656, 2317585), (758, 2005720), (820, 1854068), (1223, 1243120), (1516, 1002860), (1640, 927034), (1895, 802288), (2446, 621560), (3032, 501430), (3280, 463517), (3790, 401144), (4892, 310780), (6064, 250715), (6115, 248624), (7580, 200572), (9784, 155390), (12230, 124312), (15160, 100286), (15539, 97840), (19568, 77695), (24460, 62156), (30320, 50143), (31078, 48920)]