304020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{563}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 947520

約数和(自身を除く): 643500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 563, 1126, 1689, 2252, 2815, 3378, 5067, 5630, 6756, 8445, 10134, 11260, 15201, 16890, 20268, 25335, 30402, 33780, 50670, 60804, 76005, 101340, 152010, 304020]

約数ペア:

[(1, 304020), (2, 152010), (3, 101340), (4, 76005), (5, 60804), (6, 50670), (9, 33780), (10, 30402), (12, 25335), (15, 20268), (18, 16890), (20, 15201), (27, 11260), (30, 10134), (36, 8445), (45, 6756), (54, 5630), (60, 5067), (90, 3378), (108, 2815), (135, 2252), (180, 1689), (270, 1126), (540, 563)]