15318280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3389}}^1$

素因数の和:3513

約数の個数: 32

約数和(自身を含む): 34781400

約数和(自身を除く): 19463120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 3389, 4520, 6778, 13556, 16945, 27112, 33890, 67780, 135560, 382957, 765914, 1531828, 1914785, 3063656, 3829570, 7659140, 15318280]

約数ペア:

[(1, 15318280), (2, 7659140), (4, 3829570), (5, 3063656), (8, 1914785), (10, 1531828), (20, 765914), (40, 382957), (113, 135560), (226, 67780), (452, 33890), (565, 27112), (904, 16945), (1130, 13556), (2260, 6778), (3389, 4520)]