205106520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89959}}^1$

素因数の和:89992

約数の個数: 64

約数和(自身を含む): 647712000

約数和(自身を除く): 442605480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 89959, 179918, 269877, 359836, 449795, 539754, 719672, 899590, 1079508, 1349385, 1709221, 1799180, 2159016, 2698770, 3418442, 3598360, 5127663, 5397540, 6836884, 8546105, 10255326, 10795080, 13673768, 17092210, 20510652, 25638315, 34184420, 41021304, 51276630, 68368840, 102553260, 205106520]

約数ペア:

[(1, 205106520), (2, 102553260), (3, 68368840), (4, 51276630), (5, 41021304), (6, 34184420), (8, 25638315), (10, 20510652), (12, 17092210), (15, 13673768), (19, 10795080), (20, 10255326), (24, 8546105), (30, 6836884), (38, 5397540), (40, 5127663), (57, 3598360), (60, 3418442), (76, 2698770), (95, 2159016), (114, 1799180), (120, 1709221), (152, 1349385), (190, 1079508), (228, 899590), (285, 719672), (380, 539754), (456, 449795), (570, 359836), (760, 269877), (1140, 179918), (2280, 89959)]