168540680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54721}}^1$

素因数の和:54750

約数の個数: 64

約数和(自身を含む): 472798080

約数和(自身を除く): 304257400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 54721, 109442, 218884, 273605, 383047, 437768, 547210, 601931, 766094, 1094420, 1203862, 1532188, 1915235, 2188840, 2407724, 3009655, 3064376, 3830470, 4213517, 4815448, 6019310, 7660940, 8427034, 12038620, 15321880, 16854068, 21067585, 24077240, 33708136, 42135170, 84270340, 168540680]

約数ペア:

[(1, 168540680), (2, 84270340), (4, 42135170), (5, 33708136), (7, 24077240), (8, 21067585), (10, 16854068), (11, 15321880), (14, 12038620), (20, 8427034), (22, 7660940), (28, 6019310), (35, 4815448), (40, 4213517), (44, 3830470), (55, 3064376), (56, 3009655), (70, 2407724), (77, 2188840), (88, 1915235), (110, 1532188), (140, 1203862), (154, 1094420), (220, 766094), (280, 601931), (308, 547210), (385, 437768), (440, 383047), (616, 273605), (770, 218884), (1540, 109442), (3080, 54721)]