180388880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3881}}^1$

素因数の和:3984

約数の個数: 80

約数和(自身を含む): 485218944

約数和(自身を除く): 304830064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1660, 2324, 2905, 3320, 3881, 4648, 5810, 6640, 7762, 9296, 11620, 15524, 19405, 23240, 27167, 31048, 38810, 46480, 54334, 62096, 77620, 108668, 135835, 155240, 217336, 271670, 310480, 322123, 434672, 543340, 644246, 1086680, 1288492, 1610615, 2173360, 2254861, 2576984, 3221230, 4509722, 5153968, 6442460, 9019444, 11274305, 12884920, 18038888, 22548610, 25769840, 36077776, 45097220, 90194440, 180388880]

約数ペア:

[(1, 180388880), (2, 90194440), (4, 45097220), (5, 36077776), (7, 25769840), (8, 22548610), (10, 18038888), (14, 12884920), (16, 11274305), (20, 9019444), (28, 6442460), (35, 5153968), (40, 4509722), (56, 3221230), (70, 2576984), (80, 2254861), (83, 2173360), (112, 1610615), (140, 1288492), (166, 1086680), (280, 644246), (332, 543340), (415, 434672), (560, 322123), (581, 310480), (664, 271670), (830, 217336), (1162, 155240), (1328, 135835), (1660, 108668), (2324, 77620), (2905, 62096), (3320, 54334), (3881, 46480), (4648, 38810), (5810, 31048), (6640, 27167), (7762, 23240), (9296, 19405), (11620, 15524)]