715706920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{3541}}^1$

素因数の和:3746

約数の個数: 64

約数和(自身を含む): 1672957440

約数和(自身を除く): 957250520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 620, 652, 815, 1240, 1304, 1630, 3260, 3541, 5053, 6520, 7082, 10106, 14164, 17705, 20212, 25265, 28328, 35410, 40424, 50530, 70820, 101060, 109771, 141640, 202120, 219542, 439084, 548855, 577183, 878168, 1097710, 1154366, 2195420, 2308732, 2885915, 4390840, 4617464, 5771830, 11543660, 17892673, 23087320, 35785346, 71570692, 89463365, 143141384, 178926730, 357853460, 715706920]

約数ペア:

[(1, 715706920), (2, 357853460), (4, 178926730), (5, 143141384), (8, 89463365), (10, 71570692), (20, 35785346), (31, 23087320), (40, 17892673), (62, 11543660), (124, 5771830), (155, 4617464), (163, 4390840), (248, 2885915), (310, 2308732), (326, 2195420), (620, 1154366), (652, 1097710), (815, 878168), (1240, 577183), (1304, 548855), (1630, 439084), (3260, 219542), (3541, 202120), (5053, 141640), (6520, 109771), (7082, 101060), (10106, 70820), (14164, 50530), (17705, 40424), (20212, 35410), (25265, 28328)]