389969280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:961

約数の個数: 192

約数和(自身を含む): 1365249600

約数和(自身を除く): 975280320

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, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 384, 395, 474, 480, 576, 632, 640, 711, 720, 790, 857, 948, 960, 1152, 1185, 1264, 1422, 1440, 1580, 1714, 1896, 1920, 2370, 2528, 2571, 2844, 2880, 3160, 3428, 3555, 3792, 4285, 4740, 5056, 5142, 5688, 5760, 6320, 6856, 7110, 7584, 7713, 8570, 9480, 10112, 10284, 11376, 12640, 12855, 13712, 14220, 15168, 15426, 17140, 18960, 20568, 22752, 25280, 25710, 27424, 28440, 30336, 30852, 34280, 37920, 38565, 41136, 45504, 50560, 51420, 54848, 56880, 61704, 67703, 68560, 75840, 77130, 82272, 91008, 102840, 109696, 113760, 123408, 135406, 137120, 151680, 154260, 164544, 203109, 205680, 227520, 246816, 270812, 274240, 308520, 329088, 338515, 406218, 411360, 455040, 493632, 541624, 548480, 609327, 617040, 677030, 812436, 822720, 987264, 1015545, 1083248, 1218654, 1234080, 1354060, 1624872, 1645440, 2031090, 2166496, 2437308, 2468160, 2708120, 3046635, 3249744, 4062180, 4332992, 4874616, 4936320, 5416240, 6093270, 6499488, 8124360, 8665984, 9749232, 10832480, 12186540, 12998976, 16248720, 19498464, 21664960, 24373080, 25997952, 32497440, 38996928, 43329920, 48746160, 64994880, 77993856, 97492320, 129989760, 194984640, 389969280]

約数ペア:

[(1, 389969280), (2, 194984640), (3, 129989760), (4, 97492320), (5, 77993856), (6, 64994880), (8, 48746160), (9, 43329920), (10, 38996928), (12, 32497440), (15, 25997952), (16, 24373080), (18, 21664960), (20, 19498464), (24, 16248720), (30, 12998976), (32, 12186540), (36, 10832480), (40, 9749232), (45, 8665984), (48, 8124360), (60, 6499488), (64, 6093270), (72, 5416240), (79, 4936320), (80, 4874616), (90, 4332992), (96, 4062180), (120, 3249744), (128, 3046635), (144, 2708120), (158, 2468160), (160, 2437308), (180, 2166496), (192, 2031090), (237, 1645440), (240, 1624872), (288, 1354060), (316, 1234080), (320, 1218654), (360, 1083248), (384, 1015545), (395, 987264), (474, 822720), (480, 812436), (576, 677030), (632, 617040), (640, 609327), (711, 548480), (720, 541624), (790, 493632), (857, 455040), (948, 411360), (960, 406218), (1152, 338515), (1185, 329088), (1264, 308520), (1422, 274240), (1440, 270812), (1580, 246816), (1714, 227520), (1896, 205680), (1920, 203109), (2370, 164544), (2528, 154260), (2571, 151680), (2844, 137120), (2880, 135406), (3160, 123408), (3428, 113760), (3555, 109696), (3792, 102840), (4285, 91008), (4740, 82272), (5056, 77130), (5142, 75840), (5688, 68560), (5760, 67703), (6320, 61704), (6856, 56880), (7110, 54848), (7584, 51420), (7713, 50560), (8570, 45504), (9480, 41136), (10112, 38565), (10284, 37920), (11376, 34280), (12640, 30852), (12855, 30336), (13712, 28440), (14220, 27424), (15168, 25710), (15426, 25280), (17140, 22752), (18960, 20568)]