30790480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54983}}^1$

素因数の和:55003

約数の個数: 40

約数和(自身を含む): 81816192

約数和(自身を除く): 51025712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54983, 109966, 219932, 274915, 384881, 439864, 549830, 769762, 879728, 1099660, 1539524, 1924405, 2199320, 3079048, 3848810, 4398640, 6158096, 7697620, 15395240, 30790480]

約数ペア:

[(1, 30790480), (2, 15395240), (4, 7697620), (5, 6158096), (7, 4398640), (8, 3848810), (10, 3079048), (14, 2199320), (16, 1924405), (20, 1539524), (28, 1099660), (35, 879728), (40, 769762), (56, 549830), (70, 439864), (80, 384881), (112, 274915), (140, 219932), (280, 109966), (560, 54983)]