1208879720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{5981}}^1$

素因数の和:6186

約数の個数: 64

約数和(自身を含む): 2825418240

約数和(自身を除く): 1616538520

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, 5053, 5981, 6520, 10106, 11962, 20212, 23924, 25265, 29905, 40424, 47848, 50530, 59810, 101060, 119620, 185411, 202120, 239240, 370822, 741644, 927055, 974903, 1483288, 1854110, 1949806, 3708220, 3899612, 4874515, 7416440, 7799224, 9749030, 19498060, 30221993, 38996120, 60443986, 120887972, 151109965, 241775944, 302219930, 604439860, 1208879720]

約数ペア:

[(1, 1208879720), (2, 604439860), (4, 302219930), (5, 241775944), (8, 151109965), (10, 120887972), (20, 60443986), (31, 38996120), (40, 30221993), (62, 19498060), (124, 9749030), (155, 7799224), (163, 7416440), (248, 4874515), (310, 3899612), (326, 3708220), (620, 1949806), (652, 1854110), (815, 1483288), (1240, 974903), (1304, 927055), (1630, 741644), (3260, 370822), (5053, 239240), (5981, 202120), (6520, 185411), (10106, 119620), (11962, 101060), (20212, 59810), (23924, 50530), (25265, 47848), (29905, 40424)]