167436800

素因数分解:

$2^9\times 5^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 120

約数和(自身を含む): 422163456

約数和(自身を除く): 254726656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 127, 128, 160, 200, 206, 254, 256, 320, 400, 412, 508, 512, 515, 635, 640, 800, 824, 1016, 1030, 1270, 1280, 1600, 1648, 2032, 2060, 2540, 2560, 2575, 3175, 3200, 3296, 4064, 4120, 5080, 5150, 6350, 6400, 6592, 8128, 8240, 10160, 10300, 12700, 12800, 13081, 13184, 16256, 16480, 20320, 20600, 25400, 26162, 26368, 32512, 32960, 40640, 41200, 50800, 52324, 52736, 65024, 65405, 65920, 81280, 82400, 101600, 104648, 130810, 131840, 162560, 164800, 203200, 209296, 261620, 263680, 325120, 327025, 329600, 406400, 418592, 523240, 654050, 659200, 812800, 837184, 1046480, 1308100, 1318400, 1625600, 1674368, 2092960, 2616200, 3348736, 4185920, 5232400, 6697472, 8371840, 10464800, 16743680, 20929600, 33487360, 41859200, 83718400, 167436800]

約数ペア:

[(1, 167436800), (2, 83718400), (4, 41859200), (5, 33487360), (8, 20929600), (10, 16743680), (16, 10464800), (20, 8371840), (25, 6697472), (32, 5232400), (40, 4185920), (50, 3348736), (64, 2616200), (80, 2092960), (100, 1674368), (103, 1625600), (127, 1318400), (128, 1308100), (160, 1046480), (200, 837184), (206, 812800), (254, 659200), (256, 654050), (320, 523240), (400, 418592), (412, 406400), (508, 329600), (512, 327025), (515, 325120), (635, 263680), (640, 261620), (800, 209296), (824, 203200), (1016, 164800), (1030, 162560), (1270, 131840), (1280, 130810), (1600, 104648), (1648, 101600), (2032, 82400), (2060, 81280), (2540, 65920), (2560, 65405), (2575, 65024), (3175, 52736), (3200, 52324), (3296, 50800), (4064, 41200), (4120, 40640), (5080, 32960), (5150, 32512), (6350, 26368), (6400, 26162), (6592, 25400), (8128, 20600), (8240, 20320), (10160, 16480), (10300, 16256), (12700, 13184), (12800, 13081)]