81180120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96643}}^1$

素因数の和:96664

約数の個数: 64

約数和(自身を含む): 278334720

約数和(自身を除く): 197154600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96643, 193286, 289929, 386572, 483215, 579858, 676501, 773144, 966430, 1159716, 1353002, 1449645, 1932860, 2029503, 2319432, 2706004, 2899290, 3382505, 3865720, 4059006, 5412008, 5798580, 6765010, 8118012, 10147515, 11597160, 13530020, 16236024, 20295030, 27060040, 40590060, 81180120]

約数ペア:

[(1, 81180120), (2, 40590060), (3, 27060040), (4, 20295030), (5, 16236024), (6, 13530020), (7, 11597160), (8, 10147515), (10, 8118012), (12, 6765010), (14, 5798580), (15, 5412008), (20, 4059006), (21, 3865720), (24, 3382505), (28, 2899290), (30, 2706004), (35, 2319432), (40, 2029503), (42, 1932860), (56, 1449645), (60, 1353002), (70, 1159716), (84, 966430), (105, 773144), (120, 676501), (140, 579858), (168, 483215), (210, 386572), (280, 289929), (420, 193286), (840, 96643)]