644315760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81353}}^1$

素因数の和:81383

約数の個数: 120

約数和(自身を含む): 2360567664

約数和(自身を除く): 1716251904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 81353, 162706, 244059, 325412, 406765, 488118, 650824, 732177, 813530, 894883, 976236, 1220295, 1301648, 1464354, 1627060, 1789766, 1952472, 2440590, 2684649, 2928708, 3254120, 3579532, 3660885, 3904944, 4474415, 4881180, 5369298, 5857416, 6508240, 7159064, 7321770, 8053947, 8948830, 9762360, 10738596, 11714832, 13423245, 14318128, 14643540, 16107894, 17897660, 19524720, 21477192, 26846490, 29287080, 32215788, 35795320, 40269735, 42954384, 53692980, 58574160, 64431576, 71590640, 80539470, 107385960, 128863152, 161078940, 214771920, 322157880, 644315760]

約数ペア:

[(1, 644315760), (2, 322157880), (3, 214771920), (4, 161078940), (5, 128863152), (6, 107385960), (8, 80539470), (9, 71590640), (10, 64431576), (11, 58574160), (12, 53692980), (15, 42954384), (16, 40269735), (18, 35795320), (20, 32215788), (22, 29287080), (24, 26846490), (30, 21477192), (33, 19524720), (36, 17897660), (40, 16107894), (44, 14643540), (45, 14318128), (48, 13423245), (55, 11714832), (60, 10738596), (66, 9762360), (72, 8948830), (80, 8053947), (88, 7321770), (90, 7159064), (99, 6508240), (110, 5857416), (120, 5369298), (132, 4881180), (144, 4474415), (165, 3904944), (176, 3660885), (180, 3579532), (198, 3254120), (220, 2928708), (240, 2684649), (264, 2440590), (330, 1952472), (360, 1789766), (396, 1627060), (440, 1464354), (495, 1301648), (528, 1220295), (660, 976236), (720, 894883), (792, 813530), (880, 732177), (990, 650824), (1320, 488118), (1584, 406765), (1980, 325412), (2640, 244059), (3960, 162706), (7920, 81353)]