15800120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{773}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 41238720

約数和(自身を除く): 25438600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 773, 1022, 1460, 1546, 2044, 2555, 2920, 3092, 3865, 4088, 5110, 5411, 6184, 7730, 10220, 10822, 15460, 20440, 21644, 27055, 30920, 43288, 54110, 56429, 108220, 112858, 216440, 225716, 282145, 395003, 451432, 564290, 790006, 1128580, 1580012, 1975015, 2257160, 3160024, 3950030, 7900060, 15800120]

約数ペア:

[(1, 15800120), (2, 7900060), (4, 3950030), (5, 3160024), (7, 2257160), (8, 1975015), (10, 1580012), (14, 1128580), (20, 790006), (28, 564290), (35, 451432), (40, 395003), (56, 282145), (70, 225716), (73, 216440), (140, 112858), (146, 108220), (280, 56429), (292, 54110), (365, 43288), (511, 30920), (584, 27055), (730, 21644), (773, 20440), (1022, 15460), (1460, 10822), (1546, 10220), (2044, 7730), (2555, 6184), (2920, 5411), (3092, 5110), (3865, 4088)]