666664320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{49603}}^1$

素因数の和:49632

約数の個数: 128

約数和(自身を含む): 2428611840

約数和(自身を除く): 1761947520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 49603, 99206, 148809, 198412, 248015, 297618, 347221, 396824, 496030, 595236, 694442, 744045, 793648, 992060, 1041663, 1190472, 1388884, 1488090, 1587296, 1736105, 1984120, 2083326, 2380944, 2777768, 2976180, 3174592, 3472210, 3968240, 4166652, 4761888, 5208315, 5555536, 5952360, 6349184, 6944420, 7936480, 8333304, 9523776, 10416630, 11111072, 11904720, 13888840, 15872960, 16666608, 19047552, 20833260, 22222144, 23809440, 27777680, 31745920, 33333216, 41666520, 44444288, 47618880, 55555360, 66666432, 83333040, 95237760, 111110720, 133332864, 166666080, 222221440, 333332160, 666664320]

約数ペア:

[(1, 666664320), (2, 333332160), (3, 222221440), (4, 166666080), (5, 133332864), (6, 111110720), (7, 95237760), (8, 83333040), (10, 66666432), (12, 55555360), (14, 47618880), (15, 44444288), (16, 41666520), (20, 33333216), (21, 31745920), (24, 27777680), (28, 23809440), (30, 22222144), (32, 20833260), (35, 19047552), (40, 16666608), (42, 15872960), (48, 13888840), (56, 11904720), (60, 11111072), (64, 10416630), (70, 9523776), (80, 8333304), (84, 7936480), (96, 6944420), (105, 6349184), (112, 5952360), (120, 5555536), (128, 5208315), (140, 4761888), (160, 4166652), (168, 3968240), (192, 3472210), (210, 3174592), (224, 2976180), (240, 2777768), (280, 2380944), (320, 2083326), (336, 1984120), (384, 1736105), (420, 1587296), (448, 1488090), (480, 1388884), (560, 1190472), (640, 1041663), (672, 992060), (840, 793648), (896, 744045), (960, 694442), (1120, 595236), (1344, 496030), (1680, 396824), (1920, 347221), (2240, 297618), (2688, 248015), (3360, 198412), (4480, 148809), (6720, 99206), (13440, 49603)]