989709720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{266051}}^1$

素因数の和:266096

約数の個数: 64

約数和(自身を含む): 3064919040

約数和(自身を除く): 2075209320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 266051, 532102, 798153, 1064204, 1330255, 1596306, 2128408, 2660510, 3192612, 3990765, 5321020, 6385224, 7981530, 8247581, 10642040, 15963060, 16495162, 24742743, 31926120, 32990324, 41237905, 49485486, 65980648, 82475810, 98970972, 123713715, 164951620, 197941944, 247427430, 329903240, 494854860, 989709720]

約数ペア:

[(1, 989709720), (2, 494854860), (3, 329903240), (4, 247427430), (5, 197941944), (6, 164951620), (8, 123713715), (10, 98970972), (12, 82475810), (15, 65980648), (20, 49485486), (24, 41237905), (30, 32990324), (31, 31926120), (40, 24742743), (60, 16495162), (62, 15963060), (93, 10642040), (120, 8247581), (124, 7981530), (155, 6385224), (186, 5321020), (248, 3990765), (310, 3192612), (372, 2660510), (465, 2128408), (620, 1596306), (744, 1330255), (930, 1064204), (1240, 798153), (1860, 532102), (3720, 266051)]