260821920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{543379}}^1$

素因数の和:543397

約数の個数: 48

約数和(自身を含む): 821590560

約数和(自身を除く): 560768640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 543379, 1086758, 1630137, 2173516, 2716895, 3260274, 4347032, 5433790, 6520548, 8150685, 8694064, 10867580, 13041096, 16301370, 17388128, 21735160, 26082192, 32602740, 43470320, 52164384, 65205480, 86940640, 130410960, 260821920]

約数ペア:

[(1, 260821920), (2, 130410960), (3, 86940640), (4, 65205480), (5, 52164384), (6, 43470320), (8, 32602740), (10, 26082192), (12, 21735160), (15, 17388128), (16, 16301370), (20, 13041096), (24, 10867580), (30, 8694064), (32, 8150685), (40, 6520548), (48, 5433790), (60, 4347032), (80, 3260274), (96, 2716895), (120, 2173516), (160, 1630137), (240, 1086758), (480, 543379)]