678984560

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2178

約数の個数: 80

約数和(自身を含む): 1631145600

約数和(自身を除く): 952161040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 89, 94, 178, 188, 235, 356, 376, 445, 470, 712, 752, 890, 940, 1424, 1780, 1880, 2029, 3560, 3760, 4058, 4183, 7120, 8116, 8366, 10145, 16232, 16732, 20290, 20915, 32464, 33464, 40580, 41830, 66928, 81160, 83660, 95363, 162320, 167320, 180581, 190726, 334640, 361162, 381452, 476815, 722324, 762904, 902905, 953630, 1444648, 1525808, 1805810, 1907260, 2889296, 3611620, 3814520, 7223240, 7629040, 8487307, 14446480, 16974614, 33949228, 42436535, 67898456, 84873070, 135796912, 169746140, 339492280, 678984560]

約数ペア:

[(1, 678984560), (2, 339492280), (4, 169746140), (5, 135796912), (8, 84873070), (10, 67898456), (16, 42436535), (20, 33949228), (40, 16974614), (47, 14446480), (80, 8487307), (89, 7629040), (94, 7223240), (178, 3814520), (188, 3611620), (235, 2889296), (356, 1907260), (376, 1805810), (445, 1525808), (470, 1444648), (712, 953630), (752, 902905), (890, 762904), (940, 722324), (1424, 476815), (1780, 381452), (1880, 361162), (2029, 334640), (3560, 190726), (3760, 180581), (4058, 167320), (4183, 162320), (7120, 95363), (8116, 83660), (8366, 81160), (10145, 66928), (16232, 41830), (16732, 40580), (20290, 33464), (20915, 32464)]