215924120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 498636000

約数和(自身を除く): 282711880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 179, 212, 265, 358, 424, 530, 569, 716, 895, 1060, 1138, 1432, 1790, 2120, 2276, 2845, 3580, 4552, 5690, 7160, 9487, 11380, 18974, 22760, 30157, 37948, 47435, 60314, 75896, 94870, 101851, 120628, 150785, 189740, 203702, 241256, 301570, 379480, 407404, 509255, 603140, 814808, 1018510, 1206280, 2037020, 4074040, 5398103, 10796206, 21592412, 26990515, 43184824, 53981030, 107962060, 215924120]

約数ペア:

[(1, 215924120), (2, 107962060), (4, 53981030), (5, 43184824), (8, 26990515), (10, 21592412), (20, 10796206), (40, 5398103), (53, 4074040), (106, 2037020), (179, 1206280), (212, 1018510), (265, 814808), (358, 603140), (424, 509255), (530, 407404), (569, 379480), (716, 301570), (895, 241256), (1060, 203702), (1138, 189740), (1432, 150785), (1790, 120628), (2120, 101851), (2276, 94870), (2845, 75896), (3580, 60314), (4552, 47435), (5690, 37948), (7160, 30157), (9487, 22760), (11380, 18974)]