87121240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 205882560

約数和(自身を除く): 118761320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 281, 337, 460, 562, 674, 920, 1124, 1348, 1405, 1685, 2248, 2696, 2810, 3370, 5620, 6463, 6740, 7751, 11240, 12926, 13480, 15502, 25852, 31004, 32315, 38755, 51704, 62008, 64630, 77510, 94697, 129260, 155020, 189394, 258520, 310040, 378788, 473485, 757576, 946970, 1893940, 2178031, 3787880, 4356062, 8712124, 10890155, 17424248, 21780310, 43560620, 87121240]

約数ペア:

[(1, 87121240), (2, 43560620), (4, 21780310), (5, 17424248), (8, 10890155), (10, 8712124), (20, 4356062), (23, 3787880), (40, 2178031), (46, 1893940), (92, 946970), (115, 757576), (184, 473485), (230, 378788), (281, 310040), (337, 258520), (460, 189394), (562, 155020), (674, 129260), (920, 94697), (1124, 77510), (1348, 64630), (1405, 62008), (1685, 51704), (2248, 38755), (2696, 32315), (2810, 31004), (3370, 25852), (5620, 15502), (6463, 13480), (6740, 12926), (7751, 11240)]