321937920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 240

約数和(自身を含む): 1134670680

約数和(自身を除く): 812732760

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, 157, 160, 178, 180, 192, 240, 256, 267, 288, 314, 320, 356, 360, 384, 445, 471, 480, 512, 534, 576, 628, 640, 712, 720, 768, 785, 801, 890, 942, 960, 1068, 1152, 1256, 1280, 1335, 1413, 1424, 1440, 1536, 1570, 1602, 1780, 1884, 1920, 2136, 2304, 2355, 2512, 2560, 2670, 2826, 2848, 2880, 3140, 3204, 3560, 3768, 3840, 4005, 4272, 4608, 4710, 5024, 5340, 5652, 5696, 5760, 6280, 6408, 7065, 7120, 7536, 7680, 8010, 8544, 9420, 10048, 10680, 11304, 11392, 11520, 12560, 12816, 13973, 14130, 14240, 15072, 16020, 17088, 18840, 20096, 21360, 22608, 22784, 23040, 25120, 25632, 27946, 28260, 28480, 30144, 32040, 34176, 37680, 40192, 41919, 42720, 45216, 45568, 50240, 51264, 55892, 56520, 56960, 60288, 64080, 68352, 69865, 75360, 80384, 83838, 85440, 90432, 100480, 102528, 111784, 113040, 113920, 120576, 125757, 128160, 136704, 139730, 150720, 167676, 170880, 180864, 200960, 205056, 209595, 223568, 226080, 227840, 241152, 251514, 256320, 279460, 301440, 335352, 341760, 361728, 401920, 410112, 419190, 447136, 452160, 503028, 512640, 558920, 602880, 628785, 670704, 683520, 723456, 838380, 894272, 904320, 1006056, 1025280, 1117840, 1205760, 1257570, 1341408, 1676760, 1788544, 1808640, 2012112, 2050560, 2235680, 2515140, 2682816, 3353520, 3577088, 3617280, 4024224, 4471360, 5030280, 5365632, 6707040, 7154176, 8048448, 8942720, 10060560, 10731264, 13414080, 16096896, 17885440, 20121120, 21462528, 26828160, 32193792, 35770880, 40242240, 53656320, 64387584, 80484480, 107312640, 160968960, 321937920]

約数ペア:

[(1, 321937920), (2, 160968960), (3, 107312640), (4, 80484480), (5, 64387584), (6, 53656320), (8, 40242240), (9, 35770880), (10, 32193792), (12, 26828160), (15, 21462528), (16, 20121120), (18, 17885440), (20, 16096896), (24, 13414080), (30, 10731264), (32, 10060560), (36, 8942720), (40, 8048448), (45, 7154176), (48, 6707040), (60, 5365632), (64, 5030280), (72, 4471360), (80, 4024224), (89, 3617280), (90, 3577088), (96, 3353520), (120, 2682816), (128, 2515140), (144, 2235680), (157, 2050560), (160, 2012112), (178, 1808640), (180, 1788544), (192, 1676760), (240, 1341408), (256, 1257570), (267, 1205760), (288, 1117840), (314, 1025280), (320, 1006056), (356, 904320), (360, 894272), (384, 838380), (445, 723456), (471, 683520), (480, 670704), (512, 628785), (534, 602880), (576, 558920), (628, 512640), (640, 503028), (712, 452160), (720, 447136), (768, 419190), (785, 410112), (801, 401920), (890, 361728), (942, 341760), (960, 335352), (1068, 301440), (1152, 279460), (1256, 256320), (1280, 251514), (1335, 241152), (1413, 227840), (1424, 226080), (1440, 223568), (1536, 209595), (1570, 205056), (1602, 200960), (1780, 180864), (1884, 170880), (1920, 167676), (2136, 150720), (2304, 139730), (2355, 136704), (2512, 128160), (2560, 125757), (2670, 120576), (2826, 113920), (2848, 113040), (2880, 111784), (3140, 102528), (3204, 100480), (3560, 90432), (3768, 85440), (3840, 83838), (4005, 80384), (4272, 75360), (4608, 69865), (4710, 68352), (5024, 64080), (5340, 60288), (5652, 56960), (5696, 56520), (5760, 55892), (6280, 51264), (6408, 50240), (7065, 45568), (7120, 45216), (7536, 42720), (7680, 41919), (8010, 40192), (8544, 37680), (9420, 34176), (10048, 32040), (10680, 30144), (11304, 28480), (11392, 28260), (11520, 27946), (12560, 25632), (12816, 25120), (13973, 23040), (14130, 22784), (14240, 22608), (15072, 21360), (16020, 20096), (17088, 18840)]