2613260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 6503280

約数和(自身を除く): 3890020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 299, 380, 437, 460, 494, 529, 598, 874, 988, 1058, 1196, 1235, 1495, 1748, 2116, 2185, 2470, 2645, 2990, 4370, 4940, 5290, 5681, 5980, 6877, 8740, 10051, 10580, 11362, 13754, 20102, 22724, 27508, 28405, 34385, 40204, 50255, 56810, 68770, 100510, 113620, 130663, 137540, 201020, 261326, 522652, 653315, 1306630, 2613260]

約数ペア:

[(1, 2613260), (2, 1306630), (4, 653315), (5, 522652), (10, 261326), (13, 201020), (19, 137540), (20, 130663), (23, 113620), (26, 100510), (38, 68770), (46, 56810), (52, 50255), (65, 40204), (76, 34385), (92, 28405), (95, 27508), (115, 22724), (130, 20102), (190, 13754), (230, 11362), (247, 10580), (260, 10051), (299, 8740), (380, 6877), (437, 5980), (460, 5681), (494, 5290), (529, 4940), (598, 4370), (874, 2990), (988, 2645), (1058, 2470), (1196, 2185), (1235, 2116), (1495, 1748)]