121884280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6131}}^1$

素因数の和:6220

約数の個数: 64

約数和(自身を含む): 317882880

約数和(自身を除く): 195998600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 6131, 9940, 12262, 19880, 24524, 30655, 42917, 49048, 61310, 85834, 122620, 171668, 214585, 245240, 343336, 429170, 435301, 858340, 870602, 1716680, 1741204, 2176505, 3047107, 3482408, 4353010, 6094214, 8706020, 12188428, 15235535, 17412040, 24376856, 30471070, 60942140, 121884280]

約数ペア:

[(1, 121884280), (2, 60942140), (4, 30471070), (5, 24376856), (7, 17412040), (8, 15235535), (10, 12188428), (14, 8706020), (20, 6094214), (28, 4353010), (35, 3482408), (40, 3047107), (56, 2176505), (70, 1741204), (71, 1716680), (140, 870602), (142, 858340), (280, 435301), (284, 429170), (355, 343336), (497, 245240), (568, 214585), (710, 171668), (994, 122620), (1420, 85834), (1988, 61310), (2485, 49048), (2840, 42917), (3976, 30655), (4970, 24524), (6131, 19880), (9940, 12262)]