261444960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:766

約数の個数: 288

約数和(自身を含む): 1048686912

約数和(自身を除く): 787241952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 96, 105, 111, 112, 120, 126, 140, 144, 148, 160, 168, 180, 185, 210, 222, 224, 240, 252, 259, 280, 288, 296, 315, 333, 336, 360, 370, 420, 444, 480, 504, 518, 555, 560, 592, 630, 666, 672, 701, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1120, 1184, 1260, 1295, 1332, 1402, 1440, 1480, 1554, 1665, 1680, 1776, 2016, 2072, 2103, 2220, 2331, 2520, 2590, 2664, 2804, 2960, 3108, 3330, 3360, 3505, 3552, 3885, 4144, 4206, 4440, 4662, 4907, 5040, 5180, 5328, 5608, 5920, 6216, 6309, 6660, 7010, 7770, 8288, 8412, 8880, 9324, 9814, 10080, 10360, 10515, 10656, 11216, 11655, 12432, 12618, 13320, 14020, 14721, 15540, 16824, 17760, 18648, 19628, 20720, 21030, 22432, 23310, 24535, 24864, 25236, 25937, 26640, 28040, 29442, 31080, 31545, 33648, 37296, 39256, 41440, 42060, 44163, 46620, 49070, 50472, 51874, 53280, 56080, 58884, 62160, 63090, 67296, 73605, 74592, 77811, 78512, 84120, 88326, 93240, 98140, 100944, 103748, 112160, 117768, 124320, 126180, 129685, 147210, 155622, 157024, 168240, 176652, 181559, 186480, 196280, 201888, 207496, 220815, 233433, 235536, 252360, 259370, 294420, 311244, 336480, 353304, 363118, 372960, 389055, 392560, 414992, 441630, 466866, 471072, 504720, 518740, 544677, 588840, 622488, 706608, 726236, 778110, 785120, 829984, 883260, 907795, 933732, 1009440, 1037480, 1089354, 1167165, 1177680, 1244976, 1413216, 1452472, 1556220, 1634031, 1766520, 1815590, 1867464, 2074960, 2178708, 2334330, 2355360, 2489952, 2723385, 2904944, 3112440, 3268062, 3533040, 3631180, 3734928, 4149920, 4357416, 4668660, 5446770, 5809888, 6224880, 6536124, 7066080, 7262360, 7469856, 8170155, 8714832, 9337320, 10893540, 12449760, 13072248, 14524720, 16340310, 17429664, 18674640, 21787080, 26144496, 29049440, 32680620, 37349280, 43574160, 52288992, 65361240, 87148320, 130722480, 261444960]

約数ペア:

[(1, 261444960), (2, 130722480), (3, 87148320), (4, 65361240), (5, 52288992), (6, 43574160), (7, 37349280), (8, 32680620), (9, 29049440), (10, 26144496), (12, 21787080), (14, 18674640), (15, 17429664), (16, 16340310), (18, 14524720), (20, 13072248), (21, 12449760), (24, 10893540), (28, 9337320), (30, 8714832), (32, 8170155), (35, 7469856), (36, 7262360), (37, 7066080), (40, 6536124), (42, 6224880), (45, 5809888), (48, 5446770), (56, 4668660), (60, 4357416), (63, 4149920), (70, 3734928), (72, 3631180), (74, 3533040), (80, 3268062), (84, 3112440), (90, 2904944), (96, 2723385), (105, 2489952), (111, 2355360), (112, 2334330), (120, 2178708), (126, 2074960), (140, 1867464), (144, 1815590), (148, 1766520), (160, 1634031), (168, 1556220), (180, 1452472), (185, 1413216), (210, 1244976), (222, 1177680), (224, 1167165), (240, 1089354), (252, 1037480), (259, 1009440), (280, 933732), (288, 907795), (296, 883260), (315, 829984), (333, 785120), (336, 778110), (360, 726236), (370, 706608), (420, 622488), (444, 588840), (480, 544677), (504, 518740), (518, 504720), (555, 471072), (560, 466866), (592, 441630), (630, 414992), (666, 392560), (672, 389055), (701, 372960), (720, 363118), (740, 353304), (777, 336480), (840, 311244), (888, 294420), (1008, 259370), (1036, 252360), (1110, 235536), (1120, 233433), (1184, 220815), (1260, 207496), (1295, 201888), (1332, 196280), (1402, 186480), (1440, 181559), (1480, 176652), (1554, 168240), (1665, 157024), (1680, 155622), (1776, 147210), (2016, 129685), (2072, 126180), (2103, 124320), (2220, 117768), (2331, 112160), (2520, 103748), (2590, 100944), (2664, 98140), (2804, 93240), (2960, 88326), (3108, 84120), (3330, 78512), (3360, 77811), (3505, 74592), (3552, 73605), (3885, 67296), (4144, 63090), (4206, 62160), (4440, 58884), (4662, 56080), (4907, 53280), (5040, 51874), (5180, 50472), (5328, 49070), (5608, 46620), (5920, 44163), (6216, 42060), (6309, 41440), (6660, 39256), (7010, 37296), (7770, 33648), (8288, 31545), (8412, 31080), (8880, 29442), (9324, 28040), (9814, 26640), (10080, 25937), (10360, 25236), (10515, 24864), (10656, 24535), (11216, 23310), (11655, 22432), (12432, 21030), (12618, 20720), (13320, 19628), (14020, 18648), (14721, 17760), (15540, 16824)]