398273760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:495

約数の個数: 240

約数和(自身を含む): 1427025600

約数和(自身を除く): 1028751840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 79, 80, 81, 90, 96, 108, 120, 135, 144, 158, 160, 162, 180, 216, 237, 240, 270, 288, 316, 324, 360, 389, 395, 405, 432, 474, 480, 540, 632, 648, 711, 720, 778, 790, 810, 864, 948, 1080, 1167, 1185, 1264, 1296, 1422, 1440, 1556, 1580, 1620, 1896, 1945, 2133, 2160, 2334, 2370, 2528, 2592, 2844, 3112, 3160, 3240, 3501, 3555, 3792, 3890, 4266, 4320, 4668, 4740, 5688, 5835, 6224, 6320, 6399, 6480, 7002, 7110, 7584, 7780, 8532, 9336, 9480, 10503, 10665, 11376, 11670, 12448, 12640, 12798, 12960, 14004, 14220, 15560, 17064, 17505, 18672, 18960, 21006, 21330, 22752, 23340, 25596, 28008, 28440, 30731, 31120, 31509, 31995, 34128, 35010, 37344, 37920, 42012, 42660, 46680, 51192, 52515, 56016, 56880, 61462, 62240, 63018, 63990, 68256, 70020, 84024, 85320, 92193, 93360, 102384, 105030, 112032, 113760, 122924, 126036, 127980, 140040, 153655, 157545, 168048, 170640, 184386, 186720, 204768, 210060, 245848, 252072, 255960, 276579, 280080, 307310, 315090, 336096, 341280, 368772, 420120, 460965, 491696, 504144, 511920, 553158, 560160, 614620, 630180, 737544, 829737, 840240, 921930, 983392, 1008288, 1023840, 1106316, 1229240, 1260360, 1382895, 1475088, 1659474, 1680480, 1843860, 2212632, 2458480, 2489211, 2520720, 2765790, 2950176, 3318948, 3687720, 4148685, 4425264, 4916960, 4978422, 5041440, 5531580, 6637896, 7375440, 8297370, 8850528, 9956844, 11063160, 12446055, 13275792, 14750880, 16594740, 19913688, 22126320, 24892110, 26551584, 33189480, 39827376, 44252640, 49784220, 66378960, 79654752, 99568440, 132757920, 199136880, 398273760]

約数ペア:

[(1, 398273760), (2, 199136880), (3, 132757920), (4, 99568440), (5, 79654752), (6, 66378960), (8, 49784220), (9, 44252640), (10, 39827376), (12, 33189480), (15, 26551584), (16, 24892110), (18, 22126320), (20, 19913688), (24, 16594740), (27, 14750880), (30, 13275792), (32, 12446055), (36, 11063160), (40, 9956844), (45, 8850528), (48, 8297370), (54, 7375440), (60, 6637896), (72, 5531580), (79, 5041440), (80, 4978422), (81, 4916960), (90, 4425264), (96, 4148685), (108, 3687720), (120, 3318948), (135, 2950176), (144, 2765790), (158, 2520720), (160, 2489211), (162, 2458480), (180, 2212632), (216, 1843860), (237, 1680480), (240, 1659474), (270, 1475088), (288, 1382895), (316, 1260360), (324, 1229240), (360, 1106316), (389, 1023840), (395, 1008288), (405, 983392), (432, 921930), (474, 840240), (480, 829737), (540, 737544), (632, 630180), (648, 614620), (711, 560160), (720, 553158), (778, 511920), (790, 504144), (810, 491696), (864, 460965), (948, 420120), (1080, 368772), (1167, 341280), (1185, 336096), (1264, 315090), (1296, 307310), (1422, 280080), (1440, 276579), (1556, 255960), (1580, 252072), (1620, 245848), (1896, 210060), (1945, 204768), (2133, 186720), (2160, 184386), (2334, 170640), (2370, 168048), (2528, 157545), (2592, 153655), (2844, 140040), (3112, 127980), (3160, 126036), (3240, 122924), (3501, 113760), (3555, 112032), (3792, 105030), (3890, 102384), (4266, 93360), (4320, 92193), (4668, 85320), (4740, 84024), (5688, 70020), (5835, 68256), (6224, 63990), (6320, 63018), (6399, 62240), (6480, 61462), (7002, 56880), (7110, 56016), (7584, 52515), (7780, 51192), (8532, 46680), (9336, 42660), (9480, 42012), (10503, 37920), (10665, 37344), (11376, 35010), (11670, 34128), (12448, 31995), (12640, 31509), (12798, 31120), (12960, 30731), (14004, 28440), (14220, 28008), (15560, 25596), (17064, 23340), (17505, 22752), (18672, 21330), (18960, 21006)]