7621040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 20951040

約数和(自身を除く): 13330000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 439, 496, 560, 620, 868, 878, 1085, 1240, 1736, 1756, 2170, 2195, 2480, 3073, 3472, 3512, 4340, 4390, 6146, 7024, 8680, 8780, 12292, 13609, 15365, 17360, 17560, 24584, 27218, 30730, 35120, 49168, 54436, 61460, 68045, 95263, 108872, 122920, 136090, 190526, 217744, 245840, 272180, 381052, 476315, 544360, 762104, 952630, 1088720, 1524208, 1905260, 3810520, 7621040]

約数ペア:

[(1, 7621040), (2, 3810520), (4, 1905260), (5, 1524208), (7, 1088720), (8, 952630), (10, 762104), (14, 544360), (16, 476315), (20, 381052), (28, 272180), (31, 245840), (35, 217744), (40, 190526), (56, 136090), (62, 122920), (70, 108872), (80, 95263), (112, 68045), (124, 61460), (140, 54436), (155, 49168), (217, 35120), (248, 30730), (280, 27218), (310, 24584), (434, 17560), (439, 17360), (496, 15365), (560, 13609), (620, 12292), (868, 8780), (878, 8680), (1085, 7024), (1240, 6146), (1736, 4390), (1756, 4340), (2170, 3512), (2195, 3472), (2480, 3073)]