1640323440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:877

約数の個数: 320

約数和(自身を含む): 6507678720

約数和(自身を除く): 4867355280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 157, 168, 180, 189, 210, 216, 240, 252, 270, 280, 314, 315, 336, 360, 378, 420, 432, 471, 504, 540, 560, 628, 630, 691, 720, 756, 785, 840, 942, 945, 1008, 1080, 1099, 1256, 1260, 1382, 1413, 1512, 1570, 1680, 1884, 1890, 2073, 2160, 2198, 2355, 2512, 2520, 2764, 2826, 3024, 3140, 3297, 3455, 3768, 3780, 4146, 4239, 4396, 4710, 4837, 5040, 5495, 5528, 5652, 6219, 6280, 6594, 6910, 7065, 7536, 7560, 8292, 8478, 8792, 9420, 9674, 9891, 10365, 10990, 11056, 11304, 12438, 12560, 13188, 13820, 14130, 14511, 15120, 16485, 16584, 16956, 17584, 18657, 18840, 19348, 19782, 20730, 21195, 21980, 22608, 24185, 24876, 26376, 27640, 28260, 29022, 29673, 31095, 32970, 33168, 33912, 37314, 37680, 38696, 39564, 41460, 42390, 43533, 43960, 48370, 49455, 49752, 52752, 55280, 56520, 58044, 59346, 62190, 65940, 67824, 72555, 74628, 77392, 79128, 82920, 84780, 87066, 87920, 93285, 96740, 98910, 99504, 108487, 113040, 116088, 118692, 124380, 130599, 131880, 145110, 148365, 149256, 158256, 165840, 169560, 174132, 186570, 193480, 197820, 216974, 217665, 232176, 237384, 248760, 261198, 263760, 290220, 296730, 298512, 325461, 339120, 348264, 373140, 386960, 395640, 433948, 435330, 474768, 497520, 522396, 542435, 580440, 593460, 650922, 652995, 696528, 746280, 759409, 791280, 867896, 870660, 976383, 1044792, 1084870, 1160880, 1186920, 1301844, 1305990, 1492560, 1518818, 1627305, 1735792, 1741320, 1952766, 2089584, 2169740, 2278227, 2373840, 2603688, 2611980, 2929149, 3037636, 3254610, 3482640, 3797045, 3905532, 4339480, 4556454, 4881915, 5207376, 5223960, 5858298, 6075272, 6509220, 6834681, 7594090, 7811064, 8678960, 9112908, 9763830, 10447920, 11391135, 11716596, 12150544, 13018440, 13669362, 14645745, 15188180, 15622128, 18225816, 19527660, 20504043, 22782270, 23433192, 26036880, 27338724, 29291490, 30376360, 34173405, 36451632, 39055320, 41008086, 45564540, 46866384, 54677448, 58582980, 60752720, 68346810, 78110640, 82016172, 91129080, 102520215, 109354896, 117165960, 136693620, 164032344, 182258160, 205040430, 234331920, 273387240, 328064688, 410080860, 546774480, 820161720, 1640323440]

約数ペア:

[(1, 1640323440), (2, 820161720), (3, 546774480), (4, 410080860), (5, 328064688), (6, 273387240), (7, 234331920), (8, 205040430), (9, 182258160), (10, 164032344), (12, 136693620), (14, 117165960), (15, 109354896), (16, 102520215), (18, 91129080), (20, 82016172), (21, 78110640), (24, 68346810), (27, 60752720), (28, 58582980), (30, 54677448), (35, 46866384), (36, 45564540), (40, 41008086), (42, 39055320), (45, 36451632), (48, 34173405), (54, 30376360), (56, 29291490), (60, 27338724), (63, 26036880), (70, 23433192), (72, 22782270), (80, 20504043), (84, 19527660), (90, 18225816), (105, 15622128), (108, 15188180), (112, 14645745), (120, 13669362), (126, 13018440), (135, 12150544), (140, 11716596), (144, 11391135), (157, 10447920), (168, 9763830), (180, 9112908), (189, 8678960), (210, 7811064), (216, 7594090), (240, 6834681), (252, 6509220), (270, 6075272), (280, 5858298), (314, 5223960), (315, 5207376), (336, 4881915), (360, 4556454), (378, 4339480), (420, 3905532), (432, 3797045), (471, 3482640), (504, 3254610), (540, 3037636), (560, 2929149), (628, 2611980), (630, 2603688), (691, 2373840), (720, 2278227), (756, 2169740), (785, 2089584), (840, 1952766), (942, 1741320), (945, 1735792), (1008, 1627305), (1080, 1518818), (1099, 1492560), (1256, 1305990), (1260, 1301844), (1382, 1186920), (1413, 1160880), (1512, 1084870), (1570, 1044792), (1680, 976383), (1884, 870660), (1890, 867896), (2073, 791280), (2160, 759409), (2198, 746280), (2355, 696528), (2512, 652995), (2520, 650922), (2764, 593460), (2826, 580440), (3024, 542435), (3140, 522396), (3297, 497520), (3455, 474768), (3768, 435330), (3780, 433948), (4146, 395640), (4239, 386960), (4396, 373140), (4710, 348264), (4837, 339120), (5040, 325461), (5495, 298512), (5528, 296730), (5652, 290220), (6219, 263760), (6280, 261198), (6594, 248760), (6910, 237384), (7065, 232176), (7536, 217665), (7560, 216974), (8292, 197820), (8478, 193480), (8792, 186570), (9420, 174132), (9674, 169560), (9891, 165840), (10365, 158256), (10990, 149256), (11056, 148365), (11304, 145110), (12438, 131880), (12560, 130599), (13188, 124380), (13820, 118692), (14130, 116088), (14511, 113040), (15120, 108487), (16485, 99504), (16584, 98910), (16956, 96740), (17584, 93285), (18657, 87920), (18840, 87066), (19348, 84780), (19782, 82920), (20730, 79128), (21195, 77392), (21980, 74628), (22608, 72555), (24185, 67824), (24876, 65940), (26376, 62190), (27640, 59346), (28260, 58044), (29022, 56520), (29673, 55280), (31095, 52752), (32970, 49752), (33168, 49455), (33912, 48370), (37314, 43960), (37680, 43533), (38696, 42390), (39564, 41460)]