725760

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1$

素因数の和:40

約数の個数: 180

約数和(自身を含む): 2967888

約数和(自身を除く): 2242128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 4536, 5040, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6912, 7560, 8064, 8640, 8960, 9072, 10080, 10368, 11340, 11520, 12096, 12960, 13440, 15120, 16128, 17280, 18144, 20160, 20736, 22680, 24192, 25920, 26880, 30240, 34560, 36288, 40320, 45360, 48384, 51840, 60480, 72576, 80640, 90720, 103680, 120960, 145152, 181440, 241920, 362880, 725760]

約数ペア:

[(1, 725760), (2, 362880), (3, 241920), (4, 181440), (5, 145152), (6, 120960), (7, 103680), (8, 90720), (9, 80640), (10, 72576), (12, 60480), (14, 51840), (15, 48384), (16, 45360), (18, 40320), (20, 36288), (21, 34560), (24, 30240), (27, 26880), (28, 25920), (30, 24192), (32, 22680), (35, 20736), (36, 20160), (40, 18144), (42, 17280), (45, 16128), (48, 15120), (54, 13440), (56, 12960), (60, 12096), (63, 11520), (64, 11340), (70, 10368), (72, 10080), (80, 9072), (81, 8960), (84, 8640), (90, 8064), (96, 7560), (105, 6912), (108, 6720), (112, 6480), (120, 6048), (126, 5760), (128, 5670), (135, 5376), (140, 5184), (144, 5040), (160, 4536), (162, 4480), (168, 4320), (180, 4032), (189, 3840), (192, 3780), (210, 3456), (216, 3360), (224, 3240), (240, 3024), (252, 2880), (256, 2835), (270, 2688), (280, 2592), (288, 2520), (315, 2304), (320, 2268), (324, 2240), (336, 2160), (360, 2016), (378, 1920), (384, 1890), (405, 1792), (420, 1728), (432, 1680), (448, 1620), (480, 1512), (504, 1440), (540, 1344), (560, 1296), (567, 1280), (576, 1260), (630, 1152), (640, 1134), (648, 1120), (672, 1080), (720, 1008), (756, 960), (768, 945), (810, 896), (840, 864)]