81584280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75541}}^1$

素因数の和:75561

約数の個数: 64

約数和(自身を含む): 271951200

約数和(自身を除く): 190366920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75541, 151082, 226623, 302164, 377705, 453246, 604328, 679869, 755410, 906492, 1133115, 1359738, 1510820, 1812984, 2039607, 2266230, 2719476, 3021640, 3399345, 4079214, 4532460, 5438952, 6798690, 8158428, 9064920, 10198035, 13597380, 16316856, 20396070, 27194760, 40792140, 81584280]

約数ペア:

[(1, 81584280), (2, 40792140), (3, 27194760), (4, 20396070), (5, 16316856), (6, 13597380), (8, 10198035), (9, 9064920), (10, 8158428), (12, 6798690), (15, 5438952), (18, 4532460), (20, 4079214), (24, 3399345), (27, 3021640), (30, 2719476), (36, 2266230), (40, 2039607), (45, 1812984), (54, 1510820), (60, 1359738), (72, 1133115), (90, 906492), (108, 755410), (120, 679869), (135, 604328), (180, 453246), (216, 377705), (270, 302164), (360, 226623), (540, 151082), (1080, 75541)]