153740720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{977}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 410384448

約数和(自身を除く): 256643728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 977, 1124, 1405, 1954, 1967, 2248, 2810, 3908, 3934, 4496, 4885, 5620, 6839, 7816, 7868, 9770, 9835, 11240, 13678, 15632, 15736, 19540, 19670, 22480, 27356, 31472, 34195, 39080, 39340, 54712, 68390, 78160, 78680, 109424, 136780, 157360, 273560, 274537, 547120, 549074, 1098148, 1372685, 1921759, 2196296, 2745370, 3843518, 4392592, 5490740, 7687036, 9608795, 10981480, 15374072, 19217590, 21962960, 30748144, 38435180, 76870360, 153740720]

約数ペア:

[(1, 153740720), (2, 76870360), (4, 38435180), (5, 30748144), (7, 21962960), (8, 19217590), (10, 15374072), (14, 10981480), (16, 9608795), (20, 7687036), (28, 5490740), (35, 4392592), (40, 3843518), (56, 2745370), (70, 2196296), (80, 1921759), (112, 1372685), (140, 1098148), (280, 549074), (281, 547120), (560, 274537), (562, 273560), (977, 157360), (1124, 136780), (1405, 109424), (1954, 78680), (1967, 78160), (2248, 68390), (2810, 54712), (3908, 39340), (3934, 39080), (4496, 34195), (4885, 31472), (5620, 27356), (6839, 22480), (7816, 19670), (7868, 19540), (9770, 15736), (9835, 15632), (11240, 13678)]