15040140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{571}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 42282240

約数和(自身を除く): 27242100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 571, 878, 1142, 1317, 1713, 1756, 2195, 2284, 2634, 2855, 3426, 4390, 5268, 5710, 6585, 6852, 8565, 8780, 11420, 13170, 17130, 26340, 34260, 250669, 501338, 752007, 1002676, 1253345, 1504014, 2506690, 3008028, 3760035, 5013380, 7520070, 15040140]

約数ペア:

[(1, 15040140), (2, 7520070), (3, 5013380), (4, 3760035), (5, 3008028), (6, 2506690), (10, 1504014), (12, 1253345), (15, 1002676), (20, 752007), (30, 501338), (60, 250669), (439, 34260), (571, 26340), (878, 17130), (1142, 13170), (1317, 11420), (1713, 8780), (1756, 8565), (2195, 6852), (2284, 6585), (2634, 5710), (2855, 5268), (3426, 4390)]