1897953120

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{20921}}^1$

素因数の和:20955

約数の個数: 240

約数和(自身を含む): 7655443488

約数和(自身を除く): 5757490368

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, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 20921, 22680, 30240, 41842, 45360, 62763, 83684, 90720, 104605, 125526, 146447, 167368, 188289, 209210, 251052, 292894, 313815, 334736, 376578, 418420, 439341, 502104, 564867, 585788, 627630, 669472, 732235, 753156, 836840, 878682, 941445, 1004208, 1129734, 1171576, 1255260, 1318023, 1464470, 1506312, 1673680, 1694601, 1757364, 1882890, 2008416, 2196705, 2259468, 2343152, 2510520, 2636046, 2824335, 2928940, 3012624, 3347360, 3389202, 3514728, 3765780, 3954069, 4393410, 4518936, 4686304, 5021040, 5272092, 5648670, 5857880, 6025248, 6590115, 6778404, 7029456, 7531560, 7908138, 8473005, 8786820, 9037872, 10042080, 10544184, 11297340, 11715760, 11862207, 13180230, 13556808, 14058912, 15063120, 15816276, 16946010, 17573640, 18075744, 19770345, 21088368, 22594680, 23431520, 23724414, 26360460, 27113616, 30126240, 31632552, 33892020, 35147280, 39540690, 42176736, 45189360, 47448828, 52720920, 54227232, 59311035, 63265104, 67784040, 70294560, 79081380, 90378720, 94897656, 105441840, 118622070, 126530208, 135568080, 158162760, 189795312, 210883680, 237244140, 271136160, 316325520, 379590624, 474488280, 632651040, 948976560, 1897953120]

約数ペア:

[(1, 1897953120), (2, 948976560), (3, 632651040), (4, 474488280), (5, 379590624), (6, 316325520), (7, 271136160), (8, 237244140), (9, 210883680), (10, 189795312), (12, 158162760), (14, 135568080), (15, 126530208), (16, 118622070), (18, 105441840), (20, 94897656), (21, 90378720), (24, 79081380), (27, 70294560), (28, 67784040), (30, 63265104), (32, 59311035), (35, 54227232), (36, 52720920), (40, 47448828), (42, 45189360), (45, 42176736), (48, 39540690), (54, 35147280), (56, 33892020), (60, 31632552), (63, 30126240), (70, 27113616), (72, 26360460), (80, 23724414), (81, 23431520), (84, 22594680), (90, 21088368), (96, 19770345), (105, 18075744), (108, 17573640), (112, 16946010), (120, 15816276), (126, 15063120), (135, 14058912), (140, 13556808), (144, 13180230), (160, 11862207), (162, 11715760), (168, 11297340), (180, 10544184), (189, 10042080), (210, 9037872), (216, 8786820), (224, 8473005), (240, 7908138), (252, 7531560), (270, 7029456), (280, 6778404), (288, 6590115), (315, 6025248), (324, 5857880), (336, 5648670), (360, 5272092), (378, 5021040), (405, 4686304), (420, 4518936), (432, 4393410), (480, 3954069), (504, 3765780), (540, 3514728), (560, 3389202), (567, 3347360), (630, 3012624), (648, 2928940), (672, 2824335), (720, 2636046), (756, 2510520), (810, 2343152), (840, 2259468), (864, 2196705), (945, 2008416), (1008, 1882890), (1080, 1757364), (1120, 1694601), (1134, 1673680), (1260, 1506312), (1296, 1464470), (1440, 1318023), (1512, 1255260), (1620, 1171576), (1680, 1129734), (1890, 1004208), (2016, 941445), (2160, 878682), (2268, 836840), (2520, 753156), (2592, 732235), (2835, 669472), (3024, 627630), (3240, 585788), (3360, 564867), (3780, 502104), (4320, 439341), (4536, 418420), (5040, 376578), (5670, 334736), (6048, 313815), (6480, 292894), (7560, 251052), (9072, 209210), (10080, 188289), (11340, 167368), (12960, 146447), (15120, 125526), (18144, 104605), (20921, 90720), (22680, 83684), (30240, 62763), (41842, 45360)]