2660340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 7539840

約数和(自身を除く): 4879500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 439, 505, 606, 878, 1010, 1212, 1317, 1515, 1756, 2020, 2195, 2634, 3030, 4390, 5268, 6060, 6585, 8780, 13170, 26340, 44339, 88678, 133017, 177356, 221695, 266034, 443390, 532068, 665085, 886780, 1330170, 2660340]

約数ペア:

[(1, 2660340), (2, 1330170), (3, 886780), (4, 665085), (5, 532068), (6, 443390), (10, 266034), (12, 221695), (15, 177356), (20, 133017), (30, 88678), (60, 44339), (101, 26340), (202, 13170), (303, 8780), (404, 6585), (439, 6060), (505, 5268), (606, 4390), (878, 3030), (1010, 2634), (1212, 2195), (1317, 2020), (1515, 1756)]