123513360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{514639}}^1$

素因数の和:514655

約数の個数: 40

約数和(自身を含む): 382892160

約数和(自身を除く): 259378800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 514639, 1029278, 1543917, 2058556, 2573195, 3087834, 4117112, 5146390, 6175668, 7719585, 8234224, 10292780, 12351336, 15439170, 20585560, 24702672, 30878340, 41171120, 61756680, 123513360]

約数ペア:

[(1, 123513360), (2, 61756680), (3, 41171120), (4, 30878340), (5, 24702672), (6, 20585560), (8, 15439170), (10, 12351336), (12, 10292780), (15, 8234224), (16, 7719585), (20, 6175668), (24, 5146390), (30, 4117112), (40, 3087834), (48, 2573195), (60, 2058556), (80, 1543917), (120, 1029278), (240, 514639)]