15928360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 41328000

約数和(自身を除く): 25399640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 349, 652, 698, 815, 1141, 1304, 1396, 1630, 1745, 2282, 2443, 2792, 3260, 3490, 4564, 4886, 5705, 6520, 6980, 9128, 9772, 11410, 12215, 13960, 19544, 22820, 24430, 45640, 48860, 56887, 97720, 113774, 227548, 284435, 398209, 455096, 568870, 796418, 1137740, 1592836, 1991045, 2275480, 3185672, 3982090, 7964180, 15928360]

約数ペア:

[(1, 15928360), (2, 7964180), (4, 3982090), (5, 3185672), (7, 2275480), (8, 1991045), (10, 1592836), (14, 1137740), (20, 796418), (28, 568870), (35, 455096), (40, 398209), (56, 284435), (70, 227548), (140, 113774), (163, 97720), (280, 56887), (326, 48860), (349, 45640), (652, 24430), (698, 22820), (815, 19544), (1141, 13960), (1304, 12215), (1396, 11410), (1630, 9772), (1745, 9128), (2282, 6980), (2443, 6520), (2792, 5705), (3260, 4886), (3490, 4564)]