1990403520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 672

約数和(自身を含む): 8255934720

約数和(自身を除く): 6265531200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 32, 34, 35, 38, 40, 42, 48, 49, 51, 56, 57, 60, 64, 68, 70, 76, 80, 84, 85, 95, 96, 98, 102, 105, 112, 114, 119, 120, 131, 133, 136, 140, 147, 152, 160, 168, 170, 190, 192, 196, 204, 210, 224, 228, 238, 240, 245, 255, 262, 266, 272, 280, 285, 294, 304, 320, 323, 336, 340, 357, 380, 392, 393, 399, 408, 420, 448, 456, 476, 480, 490, 510, 524, 532, 544, 560, 570, 588, 595, 608, 646, 655, 665, 672, 680, 714, 735, 760, 784, 786, 798, 816, 833, 840, 912, 917, 931, 952, 960, 969, 980, 1020, 1048, 1064, 1088, 1120, 1140, 1176, 1190, 1216, 1292, 1310, 1330, 1344, 1360, 1428, 1470, 1520, 1568, 1572, 1596, 1615, 1632, 1666, 1680, 1785, 1824, 1834, 1862, 1904, 1938, 1960, 1965, 1995, 2040, 2096, 2128, 2227, 2240, 2261, 2280, 2352, 2380, 2489, 2499, 2584, 2620, 2660, 2720, 2751, 2793, 2856, 2940, 3040, 3136, 3144, 3192, 3230, 3264, 3332, 3360, 3570, 3648, 3668, 3724, 3808, 3876, 3920, 3930, 3990, 4080, 4165, 4192, 4256, 4454, 4522, 4560, 4585, 4655, 4704, 4760, 4845, 4978, 4998, 5168, 5240, 5320, 5440, 5502, 5586, 5712, 5880, 6080, 6288, 6384, 6419, 6460, 6664, 6681, 6720, 6783, 7140, 7336, 7448, 7467, 7616, 7752, 7840, 7860, 7980, 8160, 8330, 8384, 8512, 8908, 9044, 9120, 9170, 9310, 9408, 9520, 9690, 9956, 9996, 10336, 10480, 10640, 11004, 11135, 11172, 11305, 11424, 11760, 12445, 12495, 12576, 12768, 12838, 12920, 13328, 13362, 13566, 13755, 13965, 14280, 14672, 14896, 14934, 15504, 15589, 15680, 15720, 15827, 15960, 16320, 16660, 17423, 17816, 18088, 18240, 18340, 18620, 19040, 19257, 19380, 19912, 19992, 20672, 20960, 21280, 22008, 22270, 22344, 22610, 22848, 23520, 24890, 24990, 25152, 25536, 25676, 25840, 26656, 26724, 27132, 27510, 27930, 28560, 29344, 29792, 29868, 31008, 31178, 31440, 31654, 31920, 32095, 33320, 33405, 33915, 34846, 35632, 36176, 36680, 37240, 37335, 38080, 38514, 38760, 39824, 39984, 41920, 42313, 42560, 44016, 44540, 44688, 45220, 46767, 47040, 47481, 49780, 49980, 51352, 51680, 52269, 53312, 53448, 54264, 55020, 55860, 57120, 58688, 59584, 59736, 62016, 62356, 62880, 63308, 63840, 64190, 66640, 66810, 67830, 69692, 71264, 72352, 73360, 74480, 74670, 77028, 77520, 77945, 79135, 79648, 79968, 84626, 87115, 88032, 89080, 89376, 90440, 93534, 94962, 96285, 99560, 99960, 102704, 103360, 104538, 106896, 108528, 109123, 110040, 111720, 114240, 119472, 121961, 124712, 125760, 126616, 126939, 127680, 128380, 133280, 133620, 135660, 139384, 142528, 144704, 146720, 148960, 149340, 154056, 155040, 155890, 158270, 159296, 159936, 169252, 174230, 176064, 178160, 178752, 180880, 187068, 189924, 192570, 199120, 199920, 205408, 209076, 211565, 213792, 217056, 218246, 220080, 223440, 233835, 237405, 238944, 243922, 249424, 253232, 253878, 256760, 261345, 266560, 267240, 271320, 278768, 293440, 296191, 297920, 298680, 308112, 310080, 311780, 316540, 327369, 338504, 348460, 356320, 361760, 365883, 374136, 379848, 385140, 398240, 399840, 410816, 418152, 423130, 427584, 434112, 436492, 440160, 446880, 467670, 474810, 477888, 487844, 498848, 506464, 507756, 513520, 522690, 534480, 542640, 545615, 557536, 592382, 597360, 609805, 616224, 623560, 633080, 634695, 654738, 677008, 696920, 712640, 723520, 731766, 748272, 759696, 770280, 796480, 799680, 836304, 846260, 872984, 880320, 888573, 893760, 935340, 949620, 975688, 997696, 1012928, 1015512, 1027040, 1045380, 1068960, 1085280, 1091230, 1115072, 1184764, 1194720, 1219610, 1232448, 1247120, 1266160, 1269390, 1309476, 1354016, 1393840, 1463532, 1480955, 1496544, 1519392, 1540560, 1636845, 1672608, 1692520, 1745968, 1777146, 1829415, 1870680, 1899240, 1951376, 2031024, 2054080, 2073337, 2090760, 2137920, 2170560, 2182460, 2369528, 2389440, 2439220, 2494240, 2532320, 2538780, 2618952, 2708032, 2787680, 2927064, 2961910, 2993088, 3038784, 3081120, 3273690, 3345216, 3385040, 3491936, 3554292, 3658830, 3741360, 3798480, 3902752, 4062048, 4146674, 4181520, 4364920, 4442865, 4739056, 4878440, 4988480, 5064640, 5077560, 5237904, 5575360, 5854128, 5923820, 6162240, 6220011, 6547380, 6770080, 6983872, 7108584, 7317660, 7482720, 7596960, 7805504, 8124096, 8293348, 8363040, 8729840, 8885730, 9478112, 9756880, 10155120, 10366685, 10475808, 11708256, 11847640, 12440022, 13094760, 13540160, 14217168, 14635320, 14965440, 15193920, 16586696, 16726080, 17459680, 17771460, 18956224, 19513760, 20310240, 20733370, 20951616, 23416512, 23695280, 24880044, 26189520, 28434336, 29270640, 31100055, 33173392, 34919360, 35542920, 39027520, 40620480, 41466740, 47390560, 49760088, 52379040, 56868672, 58541280, 62200110, 66346784, 71085840, 82933480, 94781120, 99520176, 104758080, 117082560, 124400220, 132693568, 142171680, 165866960, 199040352, 248800440, 284343360, 331733920, 398080704, 497600880, 663467840, 995201760, 1990403520]

約数ペア:

[(1, 1990403520), (2, 995201760), (3, 663467840), (4, 497600880), (5, 398080704), (6, 331733920), (7, 284343360), (8, 248800440), (10, 199040352), (12, 165866960), (14, 142171680), (15, 132693568), (16, 124400220), (17, 117082560), (19, 104758080), (20, 99520176), (21, 94781120), (24, 82933480), (28, 71085840), (30, 66346784), (32, 62200110), (34, 58541280), (35, 56868672), (38, 52379040), (40, 49760088), (42, 47390560), (48, 41466740), (49, 40620480), (51, 39027520), (56, 35542920), (57, 34919360), (60, 33173392), (64, 31100055), (68, 29270640), (70, 28434336), (76, 26189520), (80, 24880044), (84, 23695280), (85, 23416512), (95, 20951616), (96, 20733370), (98, 20310240), (102, 19513760), (105, 18956224), (112, 17771460), (114, 17459680), (119, 16726080), (120, 16586696), (131, 15193920), (133, 14965440), (136, 14635320), (140, 14217168), (147, 13540160), (152, 13094760), (160, 12440022), (168, 11847640), (170, 11708256), (190, 10475808), (192, 10366685), (196, 10155120), (204, 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