163104640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8221}}^1$

素因数の和:8271

約数の個数: 64

約数和(自身を含む): 402549120

約数和(自身を除く): 239444480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8221, 9920, 16442, 19840, 32884, 41105, 65768, 82210, 131536, 164420, 254851, 263072, 328840, 509702, 526144, 657680, 1019404, 1052288, 1274255, 1315360, 2038808, 2548510, 2630720, 4077616, 5097020, 5261440, 8155232, 10194040, 16310464, 20388080, 32620928, 40776160, 81552320, 163104640]

約数ペア:

[(1, 163104640), (2, 81552320), (4, 40776160), (5, 32620928), (8, 20388080), (10, 16310464), (16, 10194040), (20, 8155232), (31, 5261440), (32, 5097020), (40, 4077616), (62, 2630720), (64, 2548510), (80, 2038808), (124, 1315360), (128, 1274255), (155, 1052288), (160, 1019404), (248, 657680), (310, 526144), (320, 509702), (496, 328840), (620, 263072), (640, 254851), (992, 164420), (1240, 131536), (1984, 82210), (2480, 65768), (3968, 41105), (4960, 32884), (8221, 19840), (9920, 16442)]