80964660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27539}}^1$

素因数の和:27565

約数の個数: 72

約数和(自身を含む): 263723040

約数和(自身を除く): 182758380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27539, 55078, 82617, 110156, 137695, 165234, 192773, 275390, 330468, 385546, 413085, 550780, 578319, 771092, 826170, 963865, 1156638, 1349411, 1652340, 1927730, 2313276, 2698822, 2891595, 3855460, 4048233, 5397644, 5783190, 6747055, 8096466, 11566380, 13494110, 16192932, 20241165, 26988220, 40482330, 80964660]

約数ペア:

[(1, 80964660), (2, 40482330), (3, 26988220), (4, 20241165), (5, 16192932), (6, 13494110), (7, 11566380), (10, 8096466), (12, 6747055), (14, 5783190), (15, 5397644), (20, 4048233), (21, 3855460), (28, 2891595), (30, 2698822), (35, 2313276), (42, 1927730), (49, 1652340), (60, 1349411), (70, 1156638), (84, 963865), (98, 826170), (105, 771092), (140, 578319), (147, 550780), (196, 413085), (210, 385546), (245, 330468), (294, 275390), (420, 192773), (490, 165234), (588, 137695), (735, 110156), (980, 82617), (1470, 55078), (2940, 27539)]