255807360

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:613

約数の個数: 192

約数和(自身を含む): 895050000

約数和(自身を除く): 639242640

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, 89, 90, 96, 120, 128, 144, 160, 178, 180, 192, 240, 267, 288, 320, 356, 360, 384, 445, 480, 499, 534, 576, 640, 712, 720, 801, 890, 960, 998, 1068, 1152, 1335, 1424, 1440, 1497, 1602, 1780, 1920, 1996, 2136, 2495, 2670, 2848, 2880, 2994, 3204, 3560, 3992, 4005, 4272, 4491, 4990, 5340, 5696, 5760, 5988, 6408, 7120, 7485, 7984, 8010, 8544, 8982, 9980, 10680, 11392, 11976, 12816, 14240, 14970, 15968, 16020, 17088, 17964, 19960, 21360, 22455, 23952, 25632, 28480, 29940, 31936, 32040, 34176, 35928, 39920, 42720, 44411, 44910, 47904, 51264, 56960, 59880, 63872, 64080, 71856, 79840, 85440, 88822, 89820, 95808, 102528, 119760, 128160, 133233, 143712, 159680, 170880, 177644, 179640, 191616, 222055, 239520, 256320, 266466, 287424, 319360, 355288, 359280, 399699, 444110, 479040, 512640, 532932, 574848, 666165, 710576, 718560, 799398, 888220, 958080, 1065864, 1332330, 1421152, 1437120, 1598796, 1776440, 1998495, 2131728, 2664660, 2842304, 2874240, 3197592, 3552880, 3996990, 4263456, 5329320, 5684608, 6395184, 7105760, 7993980, 8526912, 10658640, 12790368, 14211520, 15987960, 17053824, 21317280, 25580736, 28423040, 31975920, 42634560, 51161472, 63951840, 85269120, 127903680, 255807360]

約数ペア:

[(1, 255807360), (2, 127903680), (3, 85269120), (4, 63951840), (5, 51161472), (6, 42634560), (8, 31975920), (9, 28423040), (10, 25580736), (12, 21317280), (15, 17053824), (16, 15987960), (18, 14211520), (20, 12790368), (24, 10658640), (30, 8526912), (32, 7993980), (36, 7105760), (40, 6395184), (45, 5684608), (48, 5329320), (60, 4263456), (64, 3996990), (72, 3552880), (80, 3197592), (89, 2874240), (90, 2842304), (96, 2664660), (120, 2131728), (128, 1998495), (144, 1776440), (160, 1598796), (178, 1437120), (180, 1421152), (192, 1332330), (240, 1065864), (267, 958080), (288, 888220), (320, 799398), (356, 718560), (360, 710576), (384, 666165), (445, 574848), (480, 532932), (499, 512640), (534, 479040), (576, 444110), (640, 399699), (712, 359280), (720, 355288), (801, 319360), (890, 287424), (960, 266466), (998, 256320), (1068, 239520), (1152, 222055), (1335, 191616), (1424, 179640), (1440, 177644), (1497, 170880), (1602, 159680), (1780, 143712), (1920, 133233), (1996, 128160), (2136, 119760), (2495, 102528), (2670, 95808), (2848, 89820), (2880, 88822), (2994, 85440), (3204, 79840), (3560, 71856), (3992, 64080), (4005, 63872), (4272, 59880), (4491, 56960), (4990, 51264), (5340, 47904), (5696, 44910), (5760, 44411), (5988, 42720), (6408, 39920), (7120, 35928), (7485, 34176), (7984, 32040), (8010, 31936), (8544, 29940), (8982, 28480), (9980, 25632), (10680, 23952), (11392, 22455), (11976, 21360), (12816, 19960), (14240, 17964), (14970, 17088), (15968, 16020)]