1281734280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{395597}}^1$

素因数の和:395620

約数の個数: 80

約数和(自身を含む): 4308062220

約数和(自身を除く): 3026327940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 395597, 791194, 1186791, 1582388, 1977985, 2373582, 3164776, 3560373, 3955970, 4747164, 5933955, 7120746, 7911940, 9494328, 10681119, 11867910, 14241492, 15823880, 17801865, 21362238, 23735820, 28482984, 32043357, 35603730, 42724476, 47471640, 53405595, 64086714, 71207460, 85448952, 106811190, 128173428, 142414920, 160216785, 213622380, 256346856, 320433570, 427244760, 640867140, 1281734280]

約数ペア:

[(1, 1281734280), (2, 640867140), (3, 427244760), (4, 320433570), (5, 256346856), (6, 213622380), (8, 160216785), (9, 142414920), (10, 128173428), (12, 106811190), (15, 85448952), (18, 71207460), (20, 64086714), (24, 53405595), (27, 47471640), (30, 42724476), (36, 35603730), (40, 32043357), (45, 28482984), (54, 23735820), (60, 21362238), (72, 17801865), (81, 15823880), (90, 14241492), (108, 11867910), (120, 10681119), (135, 9494328), (162, 7911940), (180, 7120746), (216, 5933955), (270, 4747164), (324, 3955970), (360, 3560373), (405, 3164776), (540, 2373582), (648, 1977985), (810, 1582388), (1080, 1186791), (1620, 791194), (3240, 395597)]