84728560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2222

約数の個数: 80

約数和(自身を含む): 228413952

約数和(自身を除く): 143685392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2131, 2485, 2840, 3976, 4262, 4970, 5680, 7952, 8524, 9940, 10655, 14917, 17048, 19880, 21310, 29834, 34096, 39760, 42620, 59668, 74585, 85240, 119336, 149170, 151301, 170480, 238672, 298340, 302602, 596680, 605204, 756505, 1059107, 1193360, 1210408, 1513010, 2118214, 2420816, 3026020, 4236428, 5295535, 6052040, 8472856, 10591070, 12104080, 16945712, 21182140, 42364280, 84728560]

約数ペア:

[(1, 84728560), (2, 42364280), (4, 21182140), (5, 16945712), (7, 12104080), (8, 10591070), (10, 8472856), (14, 6052040), (16, 5295535), (20, 4236428), (28, 3026020), (35, 2420816), (40, 2118214), (56, 1513010), (70, 1210408), (71, 1193360), (80, 1059107), (112, 756505), (140, 605204), (142, 596680), (280, 302602), (284, 298340), (355, 238672), (497, 170480), (560, 151301), (568, 149170), (710, 119336), (994, 85240), (1136, 74585), (1420, 59668), (1988, 42620), (2131, 39760), (2485, 34096), (2840, 29834), (3976, 21310), (4262, 19880), (4970, 17048), (5680, 14917), (7952, 10655), (8524, 9940)]