920077520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 2277854208

約数和(自身を除く): 1357776688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 271, 296, 310, 370, 496, 542, 592, 620, 740, 1084, 1147, 1240, 1355, 1369, 1480, 2168, 2294, 2480, 2710, 2738, 2960, 4336, 4588, 5420, 5476, 5735, 6845, 8401, 9176, 10027, 10840, 10952, 11470, 13690, 16802, 18352, 20054, 21680, 21904, 22940, 27380, 33604, 40108, 42005, 42439, 45880, 50135, 54760, 67208, 80216, 84010, 84878, 91760, 100270, 109520, 134416, 160432, 168020, 169756, 200540, 212195, 310837, 336040, 339512, 370999, 401080, 424390, 621674, 672080, 679024, 741998, 802160, 848780, 1243348, 1483996, 1554185, 1697560, 1854995, 2486696, 2967992, 3108370, 3395120, 3709990, 4973392, 5935984, 6216740, 7419980, 11500969, 12433480, 14839960, 23001938, 24866960, 29679920, 46003876, 57504845, 92007752, 115009690, 184015504, 230019380, 460038760, 920077520]

約数ペア:

[(1, 920077520), (2, 460038760), (4, 230019380), (5, 184015504), (8, 115009690), (10, 92007752), (16, 57504845), (20, 46003876), (31, 29679920), (37, 24866960), (40, 23001938), (62, 14839960), (74, 12433480), (80, 11500969), (124, 7419980), (148, 6216740), (155, 5935984), (185, 4973392), (248, 3709990), (271, 3395120), (296, 3108370), (310, 2967992), (370, 2486696), (496, 1854995), (542, 1697560), (592, 1554185), (620, 1483996), (740, 1243348), (1084, 848780), (1147, 802160), (1240, 741998), (1355, 679024), (1369, 672080), (1480, 621674), (2168, 424390), (2294, 401080), (2480, 370999), (2710, 339512), (2738, 336040), (2960, 310837), (4336, 212195), (4588, 200540), (5420, 169756), (5476, 168020), (5735, 160432), (6845, 134416), (8401, 109520), (9176, 100270), (10027, 91760), (10840, 84878), (10952, 84010), (11470, 80216), (13690, 67208), (16802, 54760), (18352, 50135), (20054, 45880), (21680, 42439), (21904, 42005), (22940, 40108), (27380, 33604)]