320435149040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{745753}}^1$

素因数の和:745938

約数の個数: 80

約数和(自身を含む): 769009592736

約数和(自身を除く): 448574443696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 131, 164, 205, 262, 328, 410, 524, 655, 656, 820, 1048, 1310, 1640, 2096, 2620, 3280, 5240, 5371, 10480, 10742, 21484, 26855, 42968, 53710, 85936, 107420, 214840, 429680, 745753, 1491506, 2983012, 3728765, 5966024, 7457530, 11932048, 14915060, 29830120, 30575873, 59660240, 61151746, 97693643, 122303492, 152879365, 195387286, 244606984, 305758730, 390774572, 488468215, 489213968, 611517460, 781549144, 976936430, 1223034920, 1563098288, 1953872860, 2446069840, 3907745720, 4005439363, 7815491440, 8010878726, 16021757452, 20027196815, 32043514904, 40054393630, 64087029808, 80108787260, 160217574520, 320435149040]

約数ペア:

[(1, 320435149040), (2, 160217574520), (4, 80108787260), (5, 64087029808), (8, 40054393630), (10, 32043514904), (16, 20027196815), (20, 16021757452), (40, 8010878726), (41, 7815491440), (80, 4005439363), (82, 3907745720), (131, 2446069840), (164, 1953872860), (205, 1563098288), (262, 1223034920), (328, 976936430), (410, 781549144), (524, 611517460), (655, 489213968), (656, 488468215), (820, 390774572), (1048, 305758730), (1310, 244606984), (1640, 195387286), (2096, 152879365), (2620, 122303492), (3280, 97693643), (5240, 61151746), (5371, 59660240), (10480, 30575873), (10742, 29830120), (21484, 14915060), (26855, 11932048), (42968, 7457530), (53710, 5966024), (85936, 3728765), (107420, 2983012), (214840, 1491506), (429680, 745753)]