21776880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2974

約数の個数: 80

約数和(自身を含む): 69709824

約数和(自身を除く): 47932944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2927, 3720, 5854, 7440, 8781, 11708, 14635, 17562, 23416, 29270, 35124, 43905, 46832, 58540, 70248, 87810, 90737, 117080, 140496, 175620, 181474, 234160, 272211, 351240, 362948, 453685, 544422, 702480, 725896, 907370, 1088844, 1361055, 1451792, 1814740, 2177688, 2722110, 3629480, 4355376, 5444220, 7258960, 10888440, 21776880]

約数ペア:

[(1, 21776880), (2, 10888440), (3, 7258960), (4, 5444220), (5, 4355376), (6, 3629480), (8, 2722110), (10, 2177688), (12, 1814740), (15, 1451792), (16, 1361055), (20, 1088844), (24, 907370), (30, 725896), (31, 702480), (40, 544422), (48, 453685), (60, 362948), (62, 351240), (80, 272211), (93, 234160), (120, 181474), (124, 175620), (155, 140496), (186, 117080), (240, 90737), (248, 87810), (310, 70248), (372, 58540), (465, 46832), (496, 43905), (620, 35124), (744, 29270), (930, 23416), (1240, 17562), (1488, 14635), (1860, 11708), (2480, 8781), (2927, 7440), (3720, 5854)]