1986508980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{7079}}^1$

素因数の和:8653

約数の個数: 72

約数和(自身を含む): 6030460800

約数和(自身を除く): 4043951820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1559, 3118, 4677, 6236, 7079, 7795, 9354, 14031, 14158, 15590, 18708, 21237, 23385, 28062, 28316, 31180, 35395, 42474, 46770, 56124, 63711, 70155, 70790, 84948, 93540, 106185, 127422, 140310, 141580, 212370, 254844, 280620, 318555, 424740, 637110, 1274220, 11036161, 22072322, 33108483, 44144644, 55180805, 66216966, 99325449, 110361610, 132433932, 165542415, 198650898, 220723220, 331084830, 397301796, 496627245, 662169660, 993254490, 1986508980]

約数ペア:

[(1, 1986508980), (2, 993254490), (3, 662169660), (4, 496627245), (5, 397301796), (6, 331084830), (9, 220723220), (10, 198650898), (12, 165542415), (15, 132433932), (18, 110361610), (20, 99325449), (30, 66216966), (36, 55180805), (45, 44144644), (60, 33108483), (90, 22072322), (180, 11036161), (1559, 1274220), (3118, 637110), (4677, 424740), (6236, 318555), (7079, 280620), (7795, 254844), (9354, 212370), (14031, 141580), (14158, 140310), (15590, 127422), (18708, 106185), (21237, 93540), (23385, 84948), (28062, 70790), (28316, 70155), (31180, 63711), (35395, 56124), (42474, 46770)]