321569360

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11719}}^1$

素因数の和:11753

約数の個数: 80

約数和(自身を含む): 871968000

約数和(自身を除く): 550398640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 11719, 13720, 23438, 27440, 46876, 58595, 82033, 93752, 117190, 164066, 187504, 234380, 328132, 410165, 468760, 574231, 656264, 820330, 937520, 1148462, 1312528, 1640660, 2296924, 2871155, 3281320, 4019617, 4593848, 5742310, 6562640, 8039234, 9187696, 11484620, 16078468, 20098085, 22969240, 32156936, 40196170, 45938480, 64313872, 80392340, 160784680, 321569360]

約数ペア:

[(1, 321569360), (2, 160784680), (4, 80392340), (5, 64313872), (7, 45938480), (8, 40196170), (10, 32156936), (14, 22969240), (16, 20098085), (20, 16078468), (28, 11484620), (35, 9187696), (40, 8039234), (49, 6562640), (56, 5742310), (70, 4593848), (80, 4019617), (98, 3281320), (112, 2871155), (140, 2296924), (196, 1640660), (245, 1312528), (280, 1148462), (343, 937520), (392, 820330), (490, 656264), (560, 574231), (686, 468760), (784, 410165), (980, 328132), (1372, 234380), (1715, 187504), (1960, 164066), (2744, 117190), (3430, 93752), (3920, 82033), (5488, 58595), (6860, 46876), (11719, 27440), (13720, 23438)]