207815120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2220

約数の個数: 80

約数和(自身を含む): 513931392

約数和(自身を除く): 306116272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 53, 80, 92, 106, 115, 184, 212, 230, 265, 368, 424, 460, 530, 848, 920, 1060, 1219, 1840, 2120, 2131, 2438, 4240, 4262, 4876, 6095, 8524, 9752, 10655, 12190, 17048, 19504, 21310, 24380, 34096, 42620, 48760, 49013, 85240, 97520, 98026, 112943, 170480, 196052, 225886, 245065, 392104, 451772, 490130, 564715, 784208, 903544, 980260, 1129430, 1807088, 1960520, 2258860, 2597689, 3921040, 4517720, 5195378, 9035440, 10390756, 12988445, 20781512, 25976890, 41563024, 51953780, 103907560, 207815120]

約数ペア:

[(1, 207815120), (2, 103907560), (4, 51953780), (5, 41563024), (8, 25976890), (10, 20781512), (16, 12988445), (20, 10390756), (23, 9035440), (40, 5195378), (46, 4517720), (53, 3921040), (80, 2597689), (92, 2258860), (106, 1960520), (115, 1807088), (184, 1129430), (212, 980260), (230, 903544), (265, 784208), (368, 564715), (424, 490130), (460, 451772), (530, 392104), (848, 245065), (920, 225886), (1060, 196052), (1219, 170480), (1840, 112943), (2120, 98026), (2131, 97520), (2438, 85240), (4240, 49013), (4262, 48760), (4876, 42620), (6095, 34096), (8524, 24380), (9752, 21310), (10655, 19504), (12190, 17048)]