263018880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 256

約数和(自身を含む): 963532800

約数和(自身を除く): 700513920

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, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 491, 496, 540, 558, 576, 620, 640, 720, 744, 837, 864, 930, 960, 982, 992, 1080, 1116, 1152, 1240, 1395, 1440, 1473, 1488, 1674, 1728, 1860, 1920, 1964, 1984, 2160, 2232, 2455, 2480, 2790, 2880, 2946, 2976, 3348, 3456, 3720, 3928, 3968, 4185, 4320, 4419, 4464, 4910, 4960, 5580, 5760, 5892, 5952, 6696, 7365, 7440, 7856, 8370, 8640, 8838, 8928, 9820, 9920, 11160, 11784, 11904, 13257, 13392, 14730, 14880, 15221, 15712, 16740, 17280, 17676, 17856, 19640, 19840, 22095, 22320, 23568, 26514, 26784, 29460, 29760, 30442, 31424, 33480, 35352, 35712, 39280, 44190, 44640, 45663, 47136, 53028, 53568, 58920, 59520, 60884, 62848, 66285, 66960, 70704, 76105, 78560, 88380, 89280, 91326, 94272, 106056, 107136, 117840, 121768, 132570, 133920, 136989, 141408, 152210, 157120, 176760, 178560, 182652, 188544, 212112, 228315, 235680, 243536, 265140, 267840, 273978, 282816, 304420, 314240, 353520, 365304, 410967, 424224, 456630, 471360, 487072, 530280, 535680, 547956, 565632, 608840, 684945, 707040, 730608, 821934, 848448, 913260, 942720, 974144, 1060560, 1095912, 1217680, 1369890, 1414080, 1461216, 1643868, 1696896, 1826520, 1948288, 2054835, 2121120, 2191824, 2435360, 2739780, 2828160, 2922432, 3287736, 3653040, 4109670, 4242240, 4383648, 4870720, 5479560, 5844864, 6575472, 7306080, 8219340, 8484480, 8767296, 9741440, 10959120, 13150944, 14612160, 16438680, 17534592, 21918240, 26301888, 29224320, 32877360, 43836480, 52603776, 65754720, 87672960, 131509440, 263018880]

約数ペア:

[(1, 263018880), (2, 131509440), (3, 87672960), (4, 65754720), (5, 52603776), (6, 43836480), (8, 32877360), (9, 29224320), (10, 26301888), (12, 21918240), (15, 17534592), (16, 16438680), (18, 14612160), (20, 13150944), (24, 10959120), (27, 9741440), (30, 8767296), (31, 8484480), (32, 8219340), (36, 7306080), (40, 6575472), (45, 5844864), (48, 5479560), (54, 4870720), (60, 4383648), (62, 4242240), (64, 4109670), (72, 3653040), (80, 3287736), (90, 2922432), (93, 2828160), (96, 2739780), (108, 2435360), (120, 2191824), (124, 2121120), (128, 2054835), (135, 1948288), (144, 1826520), (155, 1696896), (160, 1643868), (180, 1461216), (186, 1414080), (192, 1369890), (216, 1217680), (240, 1095912), (248, 1060560), (270, 974144), (279, 942720), (288, 913260), (310, 848448), (320, 821934), (360, 730608), (372, 707040), (384, 684945), (432, 608840), (465, 565632), (480, 547956), (491, 535680), (496, 530280), (540, 487072), (558, 471360), (576, 456630), (620, 424224), (640, 410967), (720, 365304), (744, 353520), (837, 314240), (864, 304420), (930, 282816), (960, 273978), (982, 267840), (992, 265140), (1080, 243536), (1116, 235680), (1152, 228315), (1240, 212112), (1395, 188544), (1440, 182652), (1473, 178560), (1488, 176760), (1674, 157120), (1728, 152210), (1860, 141408), (1920, 136989), (1964, 133920), (1984, 132570), (2160, 121768), (2232, 117840), (2455, 107136), (2480, 106056), (2790, 94272), (2880, 91326), (2946, 89280), (2976, 88380), (3348, 78560), (3456, 76105), (3720, 70704), (3928, 66960), (3968, 66285), (4185, 62848), (4320, 60884), (4419, 59520), (4464, 58920), (4910, 53568), (4960, 53028), (5580, 47136), (5760, 45663), (5892, 44640), (5952, 44190), (6696, 39280), (7365, 35712), (7440, 35352), (7856, 33480), (8370, 31424), (8640, 30442), (8838, 29760), (8928, 29460), (9820, 26784), (9920, 26514), (11160, 23568), (11784, 22320), (11904, 22095), (13257, 19840), (13392, 19640), (14730, 17856), (14880, 17676), (15221, 17280), (15712, 16740)]