80669640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1471}}^1$

素因数の和:1942

約数の個数: 64

約数和(自身を含む): 242703360

約数和(自身を除く): 162033720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 457, 914, 1371, 1471, 1828, 2285, 2742, 2942, 3656, 4413, 4570, 5484, 5884, 6855, 7355, 8826, 9140, 10968, 11768, 13710, 14710, 17652, 18280, 22065, 27420, 29420, 35304, 44130, 54840, 58840, 88260, 176520, 672247, 1344494, 2016741, 2688988, 3361235, 4033482, 5377976, 6722470, 8066964, 10083705, 13444940, 16133928, 20167410, 26889880, 40334820, 80669640]

約数ペア:

[(1, 80669640), (2, 40334820), (3, 26889880), (4, 20167410), (5, 16133928), (6, 13444940), (8, 10083705), (10, 8066964), (12, 6722470), (15, 5377976), (20, 4033482), (24, 3361235), (30, 2688988), (40, 2016741), (60, 1344494), (120, 672247), (457, 176520), (914, 88260), (1371, 58840), (1471, 54840), (1828, 44130), (2285, 35304), (2742, 29420), (2942, 27420), (3656, 22065), (4413, 18280), (4570, 17652), (5484, 14710), (5884, 13710), (6855, 11768), (7355, 10968), (8826, 9140)]