15886020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{977}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 44690688

約数和(自身を除く): 28804668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 977, 1084, 1355, 1626, 1954, 2710, 2931, 3252, 3908, 4065, 4885, 5420, 5862, 8130, 9770, 11724, 14655, 16260, 19540, 29310, 58620, 264767, 529534, 794301, 1059068, 1323835, 1588602, 2647670, 3177204, 3971505, 5295340, 7943010, 15886020]

約数ペア:

[(1, 15886020), (2, 7943010), (3, 5295340), (4, 3971505), (5, 3177204), (6, 2647670), (10, 1588602), (12, 1323835), (15, 1059068), (20, 794301), (30, 529534), (60, 264767), (271, 58620), (542, 29310), (813, 19540), (977, 16260), (1084, 14655), (1355, 11724), (1626, 9770), (1954, 8130), (2710, 5862), (2931, 5420), (3252, 4885), (3908, 4065)]