1283804560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{373199}}^1$

素因数の和:373255

約数の個数: 40

約数和(自身を含む): 3054268800

約数和(自身を除く): 1770464240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 373199, 746398, 1492796, 1865995, 2985592, 3731990, 5971184, 7463980, 14927960, 16047557, 29855920, 32095114, 64190228, 80237785, 128380456, 160475570, 256760912, 320951140, 641902280, 1283804560]

約数ペア:

[(1, 1283804560), (2, 641902280), (4, 320951140), (5, 256760912), (8, 160475570), (10, 128380456), (16, 80237785), (20, 64190228), (40, 32095114), (43, 29855920), (80, 16047557), (86, 14927960), (172, 7463980), (215, 5971184), (344, 3731990), (430, 2985592), (688, 1865995), (860, 1492796), (1720, 746398), (3440, 373199)]