15309520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11257}}^1$

素因数の和:11287

約数の個数: 40

約数和(自身を含む): 37691784

約数和(自身を除く): 22382264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11257, 22514, 45028, 56285, 90056, 112570, 180112, 191369, 225140, 382738, 450280, 765476, 900560, 956845, 1530952, 1913690, 3061904, 3827380, 7654760, 15309520]

約数ペア:

[(1, 15309520), (2, 7654760), (4, 3827380), (5, 3061904), (8, 1913690), (10, 1530952), (16, 956845), (17, 900560), (20, 765476), (34, 450280), (40, 382738), (68, 225140), (80, 191369), (85, 180112), (136, 112570), (170, 90056), (272, 56285), (340, 45028), (680, 22514), (1360, 11257)]