660841680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{161971}}^1$

素因数の和:162004

約数の個数: 80

約数和(自身を含む): 2169129024

約数和(自身を除く): 1508287344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 161971, 323942, 485913, 647884, 809855, 971826, 1295768, 1619710, 1943652, 2429565, 2591536, 2753507, 3239420, 3887304, 4859130, 5507014, 6478840, 7774608, 8260521, 9718260, 11014028, 12957680, 13767535, 16521042, 19436520, 22028056, 27535070, 33042084, 38873040, 41302605, 44056112, 55070140, 66084168, 82605210, 110140280, 132168336, 165210420, 220280560, 330420840, 660841680]

約数ペア:

[(1, 660841680), (2, 330420840), (3, 220280560), (4, 165210420), (5, 132168336), (6, 110140280), (8, 82605210), (10, 66084168), (12, 55070140), (15, 44056112), (16, 41302605), (17, 38873040), (20, 33042084), (24, 27535070), (30, 22028056), (34, 19436520), (40, 16521042), (48, 13767535), (51, 12957680), (60, 11014028), (68, 9718260), (80, 8260521), (85, 7774608), (102, 6478840), (120, 5507014), (136, 4859130), (170, 3887304), (204, 3239420), (240, 2753507), (255, 2591536), (272, 2429565), (340, 1943652), (408, 1619710), (510, 1295768), (680, 971826), (816, 809855), (1020, 647884), (1360, 485913), (2040, 323942), (4080, 161971)]