15397740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:799

約数の個数: 72

約数和(自身を含む): 47135088

約数和(自身を除く): 31737348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 653, 655, 786, 1179, 1306, 1310, 1572, 1959, 1965, 2358, 2612, 2620, 3265, 3918, 3930, 4716, 5877, 5895, 6530, 7836, 7860, 9795, 11754, 11790, 13060, 19590, 23508, 23580, 29385, 39180, 58770, 85543, 117540, 171086, 256629, 342172, 427715, 513258, 769887, 855430, 1026516, 1283145, 1539774, 1710860, 2566290, 3079548, 3849435, 5132580, 7698870, 15397740]

約数ペア:

[(1, 15397740), (2, 7698870), (3, 5132580), (4, 3849435), (5, 3079548), (6, 2566290), (9, 1710860), (10, 1539774), (12, 1283145), (15, 1026516), (18, 855430), (20, 769887), (30, 513258), (36, 427715), (45, 342172), (60, 256629), (90, 171086), (131, 117540), (180, 85543), (262, 58770), (393, 39180), (524, 29385), (653, 23580), (655, 23508), (786, 19590), (1179, 13060), (1306, 11790), (1310, 11754), (1572, 9795), (1959, 7860), (1965, 7836), (2358, 6530), (2612, 5895), (2620, 5877), (3265, 4716), (3918, 3930)]