491005440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:341

約数の個数: 240

約数和(自身を含む): 1725465456

約数和(自身を除く): 1234460016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 101, 120, 128, 144, 160, 180, 192, 202, 211, 240, 256, 288, 303, 320, 360, 384, 404, 422, 480, 505, 512, 576, 606, 633, 640, 720, 768, 808, 844, 909, 960, 1010, 1055, 1152, 1212, 1266, 1280, 1440, 1515, 1536, 1616, 1688, 1818, 1899, 1920, 2020, 2110, 2304, 2424, 2532, 2560, 2880, 3030, 3165, 3232, 3376, 3636, 3798, 3840, 4040, 4220, 4545, 4608, 4848, 5064, 5760, 6060, 6330, 6464, 6752, 7272, 7596, 7680, 8080, 8440, 9090, 9495, 9696, 10128, 11520, 12120, 12660, 12928, 13504, 14544, 15192, 16160, 16880, 18180, 18990, 19392, 20256, 21311, 23040, 24240, 25320, 25856, 27008, 29088, 30384, 32320, 33760, 36360, 37980, 38784, 40512, 42622, 48480, 50640, 51712, 54016, 58176, 60768, 63933, 64640, 67520, 72720, 75960, 77568, 81024, 85244, 96960, 101280, 106555, 108032, 116352, 121536, 127866, 129280, 135040, 145440, 151920, 155136, 162048, 170488, 191799, 193920, 202560, 213110, 232704, 243072, 255732, 258560, 270080, 290880, 303840, 319665, 324096, 340976, 383598, 387840, 405120, 426220, 465408, 486144, 511464, 540160, 581760, 607680, 639330, 681952, 767196, 775680, 810240, 852440, 958995, 972288, 1022928, 1163520, 1215360, 1278660, 1363904, 1534392, 1620480, 1704880, 1917990, 2045856, 2327040, 2430720, 2557320, 2727808, 3068784, 3409760, 3835980, 4091712, 4861440, 5114640, 5455616, 6137568, 6819520, 7671960, 8183424, 10229280, 10911232, 12275136, 13639040, 15343920, 16366848, 20458560, 24550272, 27278080, 30687840, 32733696, 40917120, 49100544, 54556160, 61375680, 81834240, 98201088, 122751360, 163668480, 245502720, 491005440]

約数ペア:

[(1, 491005440), (2, 245502720), (3, 163668480), (4, 122751360), (5, 98201088), (6, 81834240), (8, 61375680), (9, 54556160), (10, 49100544), (12, 40917120), (15, 32733696), (16, 30687840), (18, 27278080), (20, 24550272), (24, 20458560), (30, 16366848), (32, 15343920), (36, 13639040), (40, 12275136), (45, 10911232), (48, 10229280), (60, 8183424), (64, 7671960), (72, 6819520), (80, 6137568), (90, 5455616), (96, 5114640), (101, 4861440), (120, 4091712), (128, 3835980), (144, 3409760), (160, 3068784), (180, 2727808), (192, 2557320), (202, 2430720), (211, 2327040), (240, 2045856), (256, 1917990), (288, 1704880), (303, 1620480), (320, 1534392), (360, 1363904), (384, 1278660), (404, 1215360), (422, 1163520), (480, 1022928), (505, 972288), (512, 958995), (576, 852440), (606, 810240), (633, 775680), (640, 767196), (720, 681952), (768, 639330), (808, 607680), (844, 581760), (909, 540160), (960, 511464), (1010, 486144), (1055, 465408), (1152, 426220), (1212, 405120), (1266, 387840), (1280, 383598), (1440, 340976), (1515, 324096), (1536, 319665), (1616, 303840), (1688, 290880), (1818, 270080), (1899, 258560), (1920, 255732), (2020, 243072), (2110, 232704), (2304, 213110), (2424, 202560), (2532, 193920), (2560, 191799), (2880, 170488), (3030, 162048), (3165, 155136), (3232, 151920), (3376, 145440), (3636, 135040), (3798, 129280), (3840, 127866), (4040, 121536), (4220, 116352), (4545, 108032), (4608, 106555), (4848, 101280), (5064, 96960), (5760, 85244), (6060, 81024), (6330, 77568), (6464, 75960), (6752, 72720), (7272, 67520), (7596, 64640), (7680, 63933), (8080, 60768), (8440, 58176), (9090, 54016), (9495, 51712), (9696, 50640), (10128, 48480), (11520, 42622), (12120, 40512), (12660, 38784), (12928, 37980), (13504, 36360), (14544, 33760), (15192, 32320), (16160, 30384), (16880, 29088), (18180, 27008), (18990, 25856), (19392, 25320), (20256, 24240), (21311, 23040)]