1280280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 3939840

約数和(自身を除く): 2659560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 227, 235, 282, 376, 454, 470, 564, 681, 705, 908, 940, 1128, 1135, 1362, 1410, 1816, 1880, 2270, 2724, 2820, 3405, 4540, 5448, 5640, 6810, 9080, 10669, 13620, 21338, 27240, 32007, 42676, 53345, 64014, 85352, 106690, 128028, 160035, 213380, 256056, 320070, 426760, 640140, 1280280]

約数ペア:

[(1, 1280280), (2, 640140), (3, 426760), (4, 320070), (5, 256056), (6, 213380), (8, 160035), (10, 128028), (12, 106690), (15, 85352), (20, 64014), (24, 53345), (30, 42676), (40, 32007), (47, 27240), (60, 21338), (94, 13620), (120, 10669), (141, 9080), (188, 6810), (227, 5640), (235, 5448), (282, 4540), (376, 3405), (454, 2820), (470, 2724), (564, 2270), (681, 1880), (705, 1816), (908, 1410), (940, 1362), (1128, 1135)]