254581560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1093}}^1$

素因数の和:1757

約数の個数: 96

約数和(自身を含む): 829427040

約数和(自身を除く): 574845480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 647, 1093, 1294, 1941, 2186, 2588, 3235, 3279, 3882, 4372, 5176, 5465, 5823, 6470, 6558, 7764, 8744, 9705, 9837, 10930, 11646, 12940, 13116, 15528, 16395, 19410, 19674, 21860, 23292, 25880, 26232, 29115, 32790, 38820, 39348, 43720, 46584, 49185, 58230, 65580, 77640, 78696, 98370, 116460, 131160, 196740, 232920, 393480, 707171, 1414342, 2121513, 2828684, 3535855, 4243026, 5657368, 6364539, 7071710, 8486052, 10607565, 12729078, 14143420, 16972104, 21215130, 25458156, 28286840, 31822695, 42430260, 50916312, 63645390, 84860520, 127290780, 254581560]

約数ペア:

[(1, 254581560), (2, 127290780), (3, 84860520), (4, 63645390), (5, 50916312), (6, 42430260), (8, 31822695), (9, 28286840), (10, 25458156), (12, 21215130), (15, 16972104), (18, 14143420), (20, 12729078), (24, 10607565), (30, 8486052), (36, 7071710), (40, 6364539), (45, 5657368), (60, 4243026), (72, 3535855), (90, 2828684), (120, 2121513), (180, 1414342), (360, 707171), (647, 393480), (1093, 232920), (1294, 196740), (1941, 131160), (2186, 116460), (2588, 98370), (3235, 78696), (3279, 77640), (3882, 65580), (4372, 58230), (5176, 49185), (5465, 46584), (5823, 43720), (6470, 39348), (6558, 38820), (7764, 32790), (8744, 29115), (9705, 26232), (9837, 25880), (10930, 23292), (11646, 21860), (12940, 19674), (13116, 19410), (15528, 16395)]