15661760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2913

約数の個数: 56

約数和(自身を含む): 39502080

約数和(自身を除く): 23840320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 2879, 5440, 5758, 11516, 14395, 23032, 28790, 46064, 48943, 57580, 92128, 97886, 115160, 184256, 195772, 230320, 244715, 391544, 460640, 489430, 783088, 921280, 978860, 1566176, 1957720, 3132352, 3915440, 7830880, 15661760]

約数ペア:

[(1, 15661760), (2, 7830880), (4, 3915440), (5, 3132352), (8, 1957720), (10, 1566176), (16, 978860), (17, 921280), (20, 783088), (32, 489430), (34, 460640), (40, 391544), (64, 244715), (68, 230320), (80, 195772), (85, 184256), (136, 115160), (160, 97886), (170, 92128), (272, 57580), (320, 48943), (340, 46064), (544, 28790), (680, 23032), (1088, 14395), (1360, 11516), (2720, 5758), (2879, 5440)]