1543220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 3779328

約数和(自身を除く): 2236108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 151, 292, 302, 365, 511, 604, 730, 755, 1022, 1057, 1460, 1510, 2044, 2114, 2555, 3020, 4228, 5110, 5285, 10220, 10570, 11023, 21140, 22046, 44092, 55115, 77161, 110230, 154322, 220460, 308644, 385805, 771610, 1543220]

約数ペア:

[(1, 1543220), (2, 771610), (4, 385805), (5, 308644), (7, 220460), (10, 154322), (14, 110230), (20, 77161), (28, 55115), (35, 44092), (70, 22046), (73, 21140), (140, 11023), (146, 10570), (151, 10220), (292, 5285), (302, 5110), (365, 4228), (511, 3020), (604, 2555), (730, 2114), (755, 2044), (1022, 1510), (1057, 1460)]