2557830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 7008768

約数和(自身を除く): 4450938

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 337, 345, 506, 674, 690, 759, 1011, 1265, 1518, 1685, 2022, 2530, 3370, 3707, 3795, 5055, 7414, 7590, 7751, 10110, 11121, 15502, 18535, 22242, 23253, 37070, 38755, 46506, 55605, 77510, 85261, 111210, 116265, 170522, 232530, 255783, 426305, 511566, 852610, 1278915, 2557830]

約数ペア:

[(1, 2557830), (2, 1278915), (3, 852610), (5, 511566), (6, 426305), (10, 255783), (11, 232530), (15, 170522), (22, 116265), (23, 111210), (30, 85261), (33, 77510), (46, 55605), (55, 46506), (66, 38755), (69, 37070), (110, 23253), (115, 22242), (138, 18535), (165, 15502), (230, 11121), (253, 10110), (330, 7751), (337, 7590), (345, 7414), (506, 5055), (674, 3795), (690, 3707), (759, 3370), (1011, 2530), (1265, 2022), (1518, 1685)]