15135320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6203}}^1$

素因数の和:6275

約数の個数: 32

約数和(自身を含む): 34618320

約数和(自身を除く): 19483000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6203, 12406, 24812, 31015, 49624, 62030, 124060, 248120, 378383, 756766, 1513532, 1891915, 3027064, 3783830, 7567660, 15135320]

約数ペア:

[(1, 15135320), (2, 7567660), (4, 3783830), (5, 3027064), (8, 1891915), (10, 1513532), (20, 756766), (40, 378383), (61, 248120), (122, 124060), (244, 62030), (305, 49624), (488, 31015), (610, 24812), (1220, 12406), (2440, 6203)]