15539220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 47567520

約数和(自身を除く): 32028300

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, 655, 659, 786, 1179, 1310, 1318, 1572, 1965, 1977, 2358, 2620, 2636, 3295, 3930, 3954, 4716, 5895, 5931, 6590, 7860, 7908, 9885, 11790, 11862, 13180, 19770, 23580, 23724, 29655, 39540, 59310, 86329, 118620, 172658, 258987, 345316, 431645, 517974, 776961, 863290, 1035948, 1294935, 1553922, 1726580, 2589870, 3107844, 3884805, 5179740, 7769610, 15539220]

約数ペア:

[(1, 15539220), (2, 7769610), (3, 5179740), (4, 3884805), (5, 3107844), (6, 2589870), (9, 1726580), (10, 1553922), (12, 1294935), (15, 1035948), (18, 863290), (20, 776961), (30, 517974), (36, 431645), (45, 345316), (60, 258987), (90, 172658), (131, 118620), (180, 86329), (262, 59310), (393, 39540), (524, 29655), (655, 23724), (659, 23580), (786, 19770), (1179, 13180), (1310, 11862), (1318, 11790), (1572, 9885), (1965, 7908), (1977, 7860), (2358, 6590), (2620, 5931), (2636, 5895), (3295, 4716), (3930, 3954)]