123420960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 288

約数和(自身を含む): 478820160

約数和(自身を除く): 355399200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 130, 144, 152, 156, 160, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 342, 347, 360, 380, 390, 416, 456, 468, 480, 494, 520, 570, 585, 608, 624, 684, 694, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1041, 1140, 1170, 1235, 1248, 1368, 1388, 1440, 1482, 1520, 1560, 1710, 1735, 1824, 1872, 1976, 2080, 2082, 2223, 2280, 2340, 2470, 2736, 2776, 2964, 3040, 3120, 3123, 3420, 3470, 3705, 3744, 3952, 4164, 4446, 4511, 4560, 4680, 4940, 5205, 5472, 5552, 5928, 6240, 6246, 6593, 6840, 6940, 7410, 7904, 8328, 8892, 9022, 9120, 9360, 9880, 10410, 11104, 11115, 11856, 12492, 13186, 13533, 13680, 13880, 14820, 15615, 16656, 17784, 18044, 18720, 19760, 19779, 20820, 22230, 22555, 23712, 24984, 26372, 27066, 27360, 27760, 29640, 31230, 32965, 33312, 35568, 36088, 39520, 39558, 40599, 41640, 44460, 45110, 49968, 52744, 54132, 55520, 59280, 59337, 62460, 65930, 67665, 71136, 72176, 79116, 81198, 83280, 85709, 88920, 90220, 98895, 99936, 105488, 108264, 118560, 118674, 124920, 131860, 135330, 144352, 158232, 162396, 166560, 171418, 177840, 180440, 197790, 202995, 210976, 216528, 237348, 249840, 257127, 263720, 270660, 296685, 316464, 324792, 342836, 355680, 360880, 395580, 405990, 428545, 433056, 474696, 499680, 514254, 527440, 541320, 593370, 632928, 649584, 685672, 721760, 771381, 791160, 811980, 857090, 949392, 1028508, 1054880, 1082640, 1186740, 1285635, 1299168, 1371344, 1542762, 1582320, 1623960, 1714180, 1898784, 2057016, 2165280, 2373480, 2571270, 2742688, 3085524, 3164640, 3247920, 3428360, 3856905, 4114032, 4746960, 5142540, 6171048, 6495840, 6856720, 7713810, 8228064, 9493920, 10285080, 12342096, 13713440, 15427620, 20570160, 24684192, 30855240, 41140320, 61710480, 123420960]

約数ペア:

[(1, 123420960), (2, 61710480), (3, 41140320), (4, 30855240), (5, 24684192), (6, 20570160), (8, 15427620), (9, 13713440), (10, 12342096), (12, 10285080), (13, 9493920), (15, 8228064), (16, 7713810), (18, 6856720), (19, 6495840), (20, 6171048), (24, 5142540), (26, 4746960), (30, 4114032), (32, 3856905), (36, 3428360), (38, 3247920), (39, 3164640), (40, 3085524), (45, 2742688), (48, 2571270), (52, 2373480), (57, 2165280), (60, 2057016), (65, 1898784), (72, 1714180), (76, 1623960), (78, 1582320), (80, 1542762), (90, 1371344), (95, 1299168), (96, 1285635), (104, 1186740), (114, 1082640), (117, 1054880), (120, 1028508), (130, 949392), (144, 857090), (152, 811980), (156, 791160), (160, 771381), (171, 721760), (180, 685672), (190, 649584), (195, 632928), (208, 593370), (228, 541320), (234, 527440), (240, 514254), (247, 499680), (260, 474696), (285, 433056), (288, 428545), (304, 405990), (312, 395580), (342, 360880), (347, 355680), (360, 342836), (380, 324792), (390, 316464), (416, 296685), (456, 270660), (468, 263720), (480, 257127), (494, 249840), (520, 237348), (570, 216528), (585, 210976), (608, 202995), (624, 197790), (684, 180440), (694, 177840), (720, 171418), (741, 166560), (760, 162396), (780, 158232), (855, 144352), (912, 135330), (936, 131860), (988, 124920), (1040, 118674), (1041, 118560), (1140, 108264), (1170, 105488), (1235, 99936), (1248, 98895), (1368, 90220), (1388, 88920), (1440, 85709), (1482, 83280), (1520, 81198), (1560, 79116), (1710, 72176), (1735, 71136), (1824, 67665), (1872, 65930), (1976, 62460), (2080, 59337), (2082, 59280), (2223, 55520), (2280, 54132), (2340, 52744), (2470, 49968), (2736, 45110), (2776, 44460), (2964, 41640), (3040, 40599), (3120, 39558), (3123, 39520), (3420, 36088), (3470, 35568), (3705, 33312), (3744, 32965), (3952, 31230), (4164, 29640), (4446, 27760), (4511, 27360), (4560, 27066), (4680, 26372), (4940, 24984), (5205, 23712), (5472, 22555), (5552, 22230), (5928, 20820), (6240, 19779), (6246, 19760), (6593, 18720), (6840, 18044), (6940, 17784), (7410, 16656), (7904, 15615), (8328, 14820), (8892, 13880), (9022, 13680), (9120, 13533), (9360, 13186), (9880, 12492), (10410, 11856), (11104, 11115)]