65324560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 174917376

約数和(自身を除く): 109592816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 743, 785, 1099, 1256, 1486, 1570, 2198, 2512, 2972, 3140, 3715, 4396, 5201, 5495, 5944, 6280, 7430, 8792, 10402, 10990, 11888, 12560, 14860, 17584, 20804, 21980, 26005, 29720, 41608, 43960, 52010, 59440, 83216, 87920, 104020, 116651, 208040, 233302, 416080, 466604, 583255, 816557, 933208, 1166510, 1633114, 1866416, 2333020, 3266228, 4082785, 4666040, 6532456, 8165570, 9332080, 13064912, 16331140, 32662280, 65324560]

約数ペア:

[(1, 65324560), (2, 32662280), (4, 16331140), (5, 13064912), (7, 9332080), (8, 8165570), (10, 6532456), (14, 4666040), (16, 4082785), (20, 3266228), (28, 2333020), (35, 1866416), (40, 1633114), (56, 1166510), (70, 933208), (80, 816557), (112, 583255), (140, 466604), (157, 416080), (280, 233302), (314, 208040), (560, 116651), (628, 104020), (743, 87920), (785, 83216), (1099, 59440), (1256, 52010), (1486, 43960), (1570, 41608), (2198, 29720), (2512, 26005), (2972, 21980), (3140, 20804), (3715, 17584), (4396, 14860), (5201, 12560), (5495, 11888), (5944, 10990), (6280, 10402), (7430, 8792)]