15990880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5879}}^1$

素因数の和:5911

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 24016640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 5879, 11758, 23516, 29395, 47032, 58790, 94064, 99943, 117580, 188128, 199886, 235160, 399772, 470320, 499715, 799544, 940640, 999430, 1599088, 1998860, 3198176, 3997720, 7995440, 15990880]

約数ペア:

[(1, 15990880), (2, 7995440), (4, 3997720), (5, 3198176), (8, 1998860), (10, 1599088), (16, 999430), (17, 940640), (20, 799544), (32, 499715), (34, 470320), (40, 399772), (68, 235160), (80, 199886), (85, 188128), (136, 117580), (160, 99943), (170, 94064), (272, 58790), (340, 47032), (544, 29395), (680, 23516), (1360, 11758), (2720, 5879)]