2018809620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{71437}}^1$

素因数の和:71609

約数の個数: 72

約数和(自身を含む): 6162813384

約数和(自身を除く): 4144003764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 9420, 14130, 28260, 71437, 142874, 214311, 285748, 357185, 428622, 642933, 714370, 857244, 1071555, 1285866, 1428740, 2143110, 2571732, 3214665, 4286220, 6429330, 11215609, 12858660, 22431218, 33646827, 44862436, 56078045, 67293654, 100940481, 112156090, 134587308, 168234135, 201880962, 224312180, 336468270, 403761924, 504702405, 672936540, 1009404810, 2018809620]

約数ペア:

[(1, 2018809620), (2, 1009404810), (3, 672936540), (4, 504702405), (5, 403761924), (6, 336468270), (9, 224312180), (10, 201880962), (12, 168234135), (15, 134587308), (18, 112156090), (20, 100940481), (30, 67293654), (36, 56078045), (45, 44862436), (60, 33646827), (90, 22431218), (157, 12858660), (180, 11215609), (314, 6429330), (471, 4286220), (628, 3214665), (785, 2571732), (942, 2143110), (1413, 1428740), (1570, 1285866), (1884, 1071555), (2355, 857244), (2826, 714370), (3140, 642933), (4710, 428622), (5652, 357185), (7065, 285748), (9420, 214311), (14130, 142874), (28260, 71437)]