87720180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16427}}^1$

素因数の和:16528

約数の個数: 48

約数和(自身を含む): 248391360

約数和(自身を除く): 160671180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 16427, 32854, 49281, 65708, 82135, 98562, 164270, 197124, 246405, 328540, 492810, 985620, 1462003, 2924006, 4386009, 5848012, 7310015, 8772018, 14620030, 17544036, 21930045, 29240060, 43860090, 87720180]

約数ペア:

[(1, 87720180), (2, 43860090), (3, 29240060), (4, 21930045), (5, 17544036), (6, 14620030), (10, 8772018), (12, 7310015), (15, 5848012), (20, 4386009), (30, 2924006), (60, 1462003), (89, 985620), (178, 492810), (267, 328540), (356, 246405), (445, 197124), (534, 164270), (890, 98562), (1068, 82135), (1335, 65708), (1780, 49281), (2670, 32854), (5340, 16427)]