248689440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 240

約数和(自身を含む): 907441920

約数和(自身を除く): 658752480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 619, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1238, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1857, 1860, 2160, 2232, 2476, 2480, 2511, 2592, 2790, 2976, 3095, 3240, 3348, 3714, 3720, 4185, 4320, 4464, 4952, 4960, 5022, 5571, 5580, 6190, 6480, 6696, 7428, 7440, 8370, 8928, 9285, 9904, 10044, 11142, 11160, 12380, 12555, 12960, 13392, 14856, 14880, 16713, 16740, 18570, 19189, 19808, 20088, 22284, 22320, 24760, 25110, 26784, 27855, 29712, 33426, 33480, 37140, 38378, 40176, 44568, 44640, 49520, 50139, 50220, 55710, 57567, 59424, 66852, 66960, 74280, 76756, 80352, 83565, 89136, 95945, 99040, 100278, 100440, 111420, 115134, 133704, 133920, 148560, 153512, 167130, 172701, 178272, 191890, 200556, 200880, 222840, 230268, 250695, 267408, 287835, 297120, 307024, 334260, 345402, 383780, 401112, 401760, 445680, 460536, 501390, 518103, 534816, 575670, 614048, 668520, 690804, 767560, 802224, 863505, 891360, 921072, 1002780, 1036206, 1151340, 1337040, 1381608, 1535120, 1554309, 1604448, 1727010, 1842144, 2005560, 2072412, 2302680, 2590515, 2674080, 2763216, 3070240, 3108618, 3454020, 4011120, 4144824, 4605360, 5181030, 5526432, 6217236, 6908040, 7771545, 8022240, 8289648, 9210720, 10362060, 12434472, 13816080, 15543090, 16579296, 20724120, 24868944, 27632160, 31086180, 41448240, 49737888, 62172360, 82896480, 124344720, 248689440]

約数ペア:

[(1, 248689440), (2, 124344720), (3, 82896480), (4, 62172360), (5, 49737888), (6, 41448240), (8, 31086180), (9, 27632160), (10, 24868944), (12, 20724120), (15, 16579296), (16, 15543090), (18, 13816080), (20, 12434472), (24, 10362060), (27, 9210720), (30, 8289648), (31, 8022240), (32, 7771545), (36, 6908040), (40, 6217236), (45, 5526432), (48, 5181030), (54, 4605360), (60, 4144824), (62, 4011120), (72, 3454020), (80, 3108618), (81, 3070240), (90, 2763216), (93, 2674080), (96, 2590515), (108, 2302680), (120, 2072412), (124, 2005560), (135, 1842144), (144, 1727010), (155, 1604448), (160, 1554309), (162, 1535120), (180, 1381608), (186, 1337040), (216, 1151340), (240, 1036206), (248, 1002780), (270, 921072), (279, 891360), (288, 863505), (310, 802224), (324, 767560), (360, 690804), (372, 668520), (405, 614048), (432, 575670), (465, 534816), (480, 518103), (496, 501390), (540, 460536), (558, 445680), (619, 401760), (620, 401112), (648, 383780), (720, 345402), (744, 334260), (810, 307024), (837, 297120), (864, 287835), (930, 267408), (992, 250695), (1080, 230268), (1116, 222840), (1238, 200880), (1240, 200556), (1296, 191890), (1395, 178272), (1440, 172701), (1488, 167130), (1620, 153512), (1674, 148560), (1857, 133920), (1860, 133704), (2160, 115134), (2232, 111420), (2476, 100440), (2480, 100278), (2511, 99040), (2592, 95945), (2790, 89136), (2976, 83565), (3095, 80352), (3240, 76756), (3348, 74280), (3714, 66960), (3720, 66852), (4185, 59424), (4320, 57567), (4464, 55710), (4952, 50220), (4960, 50139), (5022, 49520), (5571, 44640), (5580, 44568), (6190, 40176), (6480, 38378), (6696, 37140), (7428, 33480), (7440, 33426), (8370, 29712), (8928, 27855), (9285, 26784), (9904, 25110), (10044, 24760), (11142, 22320), (11160, 22284), (12380, 20088), (12555, 19808), (12960, 19189), (13392, 18570), (14856, 16740), (14880, 16713)]