61486960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1618

約数の個数: 80

約数和(自身を含む): 156686400

約数和(自身を除く): 95199440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1559, 1972, 2320, 2465, 3118, 3944, 4930, 6236, 7795, 7888, 9860, 12472, 15590, 19720, 24944, 26503, 31180, 39440, 45211, 53006, 62360, 90422, 106012, 124720, 132515, 180844, 212024, 226055, 265030, 361688, 424048, 452110, 530060, 723376, 768587, 904220, 1060120, 1537174, 1808440, 2120240, 3074348, 3616880, 3842935, 6148696, 7685870, 12297392, 15371740, 30743480, 61486960]

約数ペア:

[(1, 61486960), (2, 30743480), (4, 15371740), (5, 12297392), (8, 7685870), (10, 6148696), (16, 3842935), (17, 3616880), (20, 3074348), (29, 2120240), (34, 1808440), (40, 1537174), (58, 1060120), (68, 904220), (80, 768587), (85, 723376), (116, 530060), (136, 452110), (145, 424048), (170, 361688), (232, 265030), (272, 226055), (290, 212024), (340, 180844), (464, 132515), (493, 124720), (580, 106012), (680, 90422), (986, 62360), (1160, 53006), (1360, 45211), (1559, 39440), (1972, 31180), (2320, 26503), (2465, 24944), (3118, 19720), (3944, 15590), (4930, 12472), (6236, 9860), (7795, 7888)]