15048020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 35148288

約数和(自身を除く): 20100268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1867, 2015, 3734, 4030, 7468, 8060, 9335, 18670, 24271, 37340, 48542, 57877, 97084, 115754, 121355, 231508, 242710, 289385, 485420, 578770, 752401, 1157540, 1504802, 3009604, 3762005, 7524010, 15048020]

約数ペア:

[(1, 15048020), (2, 7524010), (4, 3762005), (5, 3009604), (10, 1504802), (13, 1157540), (20, 752401), (26, 578770), (31, 485420), (52, 289385), (62, 242710), (65, 231508), (124, 121355), (130, 115754), (155, 97084), (260, 57877), (310, 48542), (403, 37340), (620, 24271), (806, 18670), (1612, 9335), (1867, 8060), (2015, 7468), (3734, 4030)]