261240840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1356

約数の個数: 192

約数和(自身を含む): 982800000

約数和(自身を除く): 721559160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 83, 84, 90, 105, 120, 126, 140, 166, 168, 180, 210, 249, 252, 280, 315, 332, 360, 415, 420, 498, 504, 581, 630, 664, 747, 830, 840, 996, 1162, 1245, 1249, 1260, 1494, 1660, 1743, 1992, 2324, 2490, 2498, 2520, 2905, 2988, 3320, 3486, 3735, 3747, 4648, 4980, 4996, 5229, 5810, 5976, 6245, 6972, 7470, 7494, 8715, 8743, 9960, 9992, 10458, 11241, 11620, 12490, 13944, 14940, 14988, 17430, 17486, 18735, 20916, 22482, 23240, 24980, 26145, 26229, 29880, 29976, 34860, 34972, 37470, 41832, 43715, 44964, 49960, 52290, 52458, 56205, 69720, 69944, 74940, 78687, 87430, 89928, 103667, 104580, 104916, 112410, 131145, 149880, 157374, 174860, 207334, 209160, 209832, 224820, 262290, 311001, 314748, 349720, 393435, 414668, 449640, 518335, 524580, 622002, 629496, 725669, 786870, 829336, 933003, 1036670, 1049160, 1244004, 1451338, 1555005, 1573740, 1866006, 2073340, 2177007, 2488008, 2902676, 3110010, 3147480, 3628345, 3732012, 4146680, 4354014, 4665015, 5805352, 6220020, 6531021, 7256690, 7464024, 8708028, 9330030, 10885035, 12440040, 13062042, 14513380, 17416056, 18660060, 21770070, 26124084, 29026760, 32655105, 37320120, 43540140, 52248168, 65310210, 87080280, 130620420, 261240840]

約数ペア:

[(1, 261240840), (2, 130620420), (3, 87080280), (4, 65310210), (5, 52248168), (6, 43540140), (7, 37320120), (8, 32655105), (9, 29026760), (10, 26124084), (12, 21770070), (14, 18660060), (15, 17416056), (18, 14513380), (20, 13062042), (21, 12440040), (24, 10885035), (28, 9330030), (30, 8708028), (35, 7464024), (36, 7256690), (40, 6531021), (42, 6220020), (45, 5805352), (56, 4665015), (60, 4354014), (63, 4146680), (70, 3732012), (72, 3628345), (83, 3147480), (84, 3110010), (90, 2902676), (105, 2488008), (120, 2177007), (126, 2073340), (140, 1866006), (166, 1573740), (168, 1555005), (180, 1451338), (210, 1244004), (249, 1049160), (252, 1036670), (280, 933003), (315, 829336), (332, 786870), (360, 725669), (415, 629496), (420, 622002), (498, 524580), (504, 518335), (581, 449640), (630, 414668), (664, 393435), (747, 349720), (830, 314748), (840, 311001), (996, 262290), (1162, 224820), (1245, 209832), (1249, 209160), (1260, 207334), (1494, 174860), (1660, 157374), (1743, 149880), (1992, 131145), (2324, 112410), (2490, 104916), (2498, 104580), (2520, 103667), (2905, 89928), (2988, 87430), (3320, 78687), (3486, 74940), (3735, 69944), (3747, 69720), (4648, 56205), (4980, 52458), (4996, 52290), (5229, 49960), (5810, 44964), (5976, 43715), (6245, 41832), (6972, 37470), (7470, 34972), (7494, 34860), (8715, 29976), (8743, 29880), (9960, 26229), (9992, 26145), (10458, 24980), (11241, 23240), (11620, 22482), (12490, 20916), (13944, 18735), (14940, 17486), (14988, 17430)]