689264805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 1229230080

約数和(自身を除く): 539965275

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 71, 95, 115, 213, 285, 345, 355, 437, 1065, 1311, 1349, 1481, 1633, 2185, 4047, 4443, 4899, 6555, 6745, 7405, 8165, 20235, 22215, 24495, 28139, 31027, 34063, 84417, 93081, 102189, 105151, 140695, 155135, 170315, 315453, 422085, 465405, 510945, 525755, 647197, 1577265, 1941591, 1997869, 2418473, 3235985, 5993607, 7255419, 9707955, 9989345, 12092365, 29968035, 36277095, 45950987, 137852961, 229754935, 689264805]

約数ペア:

[(1, 689264805), (3, 229754935), (5, 137852961), (15, 45950987), (19, 36277095), (23, 29968035), (57, 12092365), (69, 9989345), (71, 9707955), (95, 7255419), (115, 5993607), (213, 3235985), (285, 2418473), (345, 1997869), (355, 1941591), (437, 1577265), (1065, 647197), (1311, 525755), (1349, 510945), (1481, 465405), (1633, 422085), (2185, 315453), (4047, 170315), (4443, 155135), (4899, 140695), (6555, 105151), (6745, 102189), (7405, 93081), (8165, 84417), (20235, 34063), (22215, 31027), (24495, 28139)]