81182280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15733}}^1$

素因数の和:15790

約数の個数: 64

約数和(自身を含む): 249226560

約数和(自身を除く): 168044280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15733, 31466, 47199, 62932, 78665, 94398, 125864, 157330, 188796, 235995, 314660, 377592, 471990, 629320, 676519, 943980, 1353038, 1887960, 2029557, 2706076, 3382595, 4059114, 5412152, 6765190, 8118228, 10147785, 13530380, 16236456, 20295570, 27060760, 40591140, 81182280]

約数ペア:

[(1, 81182280), (2, 40591140), (3, 27060760), (4, 20295570), (5, 16236456), (6, 13530380), (8, 10147785), (10, 8118228), (12, 6765190), (15, 5412152), (20, 4059114), (24, 3382595), (30, 2706076), (40, 2029557), (43, 1887960), (60, 1353038), (86, 943980), (120, 676519), (129, 629320), (172, 471990), (215, 377592), (258, 314660), (344, 235995), (430, 188796), (516, 157330), (645, 125864), (860, 94398), (1032, 78665), (1290, 62932), (1720, 47199), (2580, 31466), (5160, 15733)]