1566521660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{4657}}^1$

素因数の和:4827

約数の個数: 72

約数和(自身を含む): 3642742320

約数和(自身を除く): 2076220660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 139, 220, 242, 278, 484, 556, 605, 695, 1210, 1390, 1529, 2420, 2780, 3058, 4657, 6116, 7645, 9314, 15290, 16819, 18628, 23285, 30580, 33638, 46570, 51227, 67276, 84095, 93140, 102454, 168190, 204908, 256135, 336380, 512270, 563497, 647323, 1024540, 1126994, 1294646, 2253988, 2589292, 2817485, 3236615, 5634970, 6473230, 7120553, 11269940, 12946460, 14241106, 28482212, 35602765, 71205530, 78326083, 142411060, 156652166, 313304332, 391630415, 783260830, 1566521660]

約数ペア:

[(1, 1566521660), (2, 783260830), (4, 391630415), (5, 313304332), (10, 156652166), (11, 142411060), (20, 78326083), (22, 71205530), (44, 35602765), (55, 28482212), (110, 14241106), (121, 12946460), (139, 11269940), (220, 7120553), (242, 6473230), (278, 5634970), (484, 3236615), (556, 2817485), (605, 2589292), (695, 2253988), (1210, 1294646), (1390, 1126994), (1529, 1024540), (2420, 647323), (2780, 563497), (3058, 512270), (4657, 336380), (6116, 256135), (7645, 204908), (9314, 168190), (15290, 102454), (16819, 93140), (18628, 84095), (23285, 67276), (30580, 51227), (33638, 46570)]