320018880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19609}}^1$

素因数の和:19646

約数の個数: 112

約数和(自身を含む): 1075883040

約数和(自身を除く): 755864160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320, 19609, 39218, 58827, 78436, 98045, 117654, 156872, 196090, 235308, 294135, 313744, 333353, 392180, 470616, 588270, 627488, 666706, 784360, 941232, 1000059, 1176540, 1254976, 1333412, 1568720, 1666765, 1882464, 2000118, 2353080, 2666824, 3137440, 3333530, 3764928, 4000236, 4706160, 5000295, 5333648, 6274880, 6667060, 8000472, 9412320, 10000590, 10667296, 13334120, 16000944, 18824640, 20001180, 21334592, 26668240, 32001888, 40002360, 53336480, 64003776, 80004720, 106672960, 160009440, 320018880]

約数ペア:

[(1, 320018880), (2, 160009440), (3, 106672960), (4, 80004720), (5, 64003776), (6, 53336480), (8, 40002360), (10, 32001888), (12, 26668240), (15, 21334592), (16, 20001180), (17, 18824640), (20, 16000944), (24, 13334120), (30, 10667296), (32, 10000590), (34, 9412320), (40, 8000472), (48, 6667060), (51, 6274880), (60, 5333648), (64, 5000295), (68, 4706160), (80, 4000236), (85, 3764928), (96, 3333530), (102, 3137440), (120, 2666824), (136, 2353080), (160, 2000118), (170, 1882464), (192, 1666765), (204, 1568720), (240, 1333412), (255, 1254976), (272, 1176540), (320, 1000059), (340, 941232), (408, 784360), (480, 666706), (510, 627488), (544, 588270), (680, 470616), (816, 392180), (960, 333353), (1020, 313744), (1088, 294135), (1360, 235308), (1632, 196090), (2040, 156872), (2720, 117654), (3264, 98045), (4080, 78436), (5440, 58827), (8160, 39218), (16320, 19609)]