15690916220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{225509}}^1$

素因数の和:225603

約数の個数: 72

約数和(自身を含む): 38870707680

約数和(自身を除く): 23179791460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9940, 13916, 17395, 34790, 69580, 225509, 451018, 902036, 1127545, 1578563, 2255090, 3157126, 4510180, 6314252, 7892815, 11049941, 15785630, 16011139, 22099882, 31571260, 32022278, 44199764, 55249705, 64044556, 80055695, 110499410, 112077973, 160111390, 220998820, 224155946, 320222780, 448311892, 560389865, 784545811, 1120779730, 1569091622, 2241559460, 3138183244, 3922729055, 7845458110, 15690916220]

約数ペア:

[(1, 15690916220), (2, 7845458110), (4, 3922729055), (5, 3138183244), (7, 2241559460), (10, 1569091622), (14, 1120779730), (20, 784545811), (28, 560389865), (35, 448311892), (49, 320222780), (70, 224155946), (71, 220998820), (98, 160111390), (140, 112077973), (142, 110499410), (196, 80055695), (245, 64044556), (284, 55249705), (355, 44199764), (490, 32022278), (497, 31571260), (710, 22099882), (980, 16011139), (994, 15785630), (1420, 11049941), (1988, 7892815), (2485, 6314252), (3479, 4510180), (4970, 3157126), (6958, 2255090), (9940, 1578563), (13916, 1127545), (17395, 902036), (34790, 451018), (69580, 225509)]