1988413440

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1$

素因数の和:439

約数の個数: 288

約数和(自身を含む): 6906332160

約数和(自身を除く): 4917918720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 256, 260, 312, 320, 338, 383, 384, 390, 416, 480, 507, 512, 520, 624, 640, 676, 766, 768, 780, 832, 845, 960, 1014, 1024, 1040, 1149, 1248, 1280, 1352, 1532, 1536, 1560, 1664, 1690, 1915, 1920, 2028, 2048, 2080, 2298, 2496, 2535, 2560, 2704, 3064, 3072, 3120, 3328, 3380, 3830, 3840, 4056, 4160, 4596, 4979, 4992, 5070, 5120, 5408, 5745, 6128, 6144, 6240, 6656, 6760, 7660, 7680, 8112, 8320, 9192, 9958, 9984, 10140, 10240, 10816, 11490, 12256, 12480, 13312, 13520, 14937, 15320, 15360, 16224, 16640, 18384, 19916, 19968, 20280, 21632, 22980, 24512, 24895, 24960, 26624, 27040, 29874, 30640, 30720, 32448, 33280, 36768, 39832, 39936, 40560, 43264, 45960, 49024, 49790, 49920, 54080, 59748, 61280, 64727, 64896, 66560, 73536, 74685, 79664, 79872, 81120, 86528, 91920, 98048, 99580, 99840, 108160, 119496, 122560, 129454, 129792, 133120, 147072, 149370, 159328, 162240, 173056, 183840, 194181, 196096, 199160, 199680, 216320, 238992, 245120, 258908, 259584, 294144, 298740, 318656, 323635, 324480, 346112, 367680, 388362, 392192, 398320, 399360, 432640, 477984, 490240, 517816, 519168, 588288, 597480, 637312, 647270, 648960, 735360, 776724, 784384, 796640, 865280, 955968, 970905, 980480, 1035632, 1038336, 1176576, 1194960, 1274624, 1294540, 1297920, 1470720, 1553448, 1593280, 1730560, 1911936, 1941810, 1960960, 2071264, 2353152, 2389920, 2549248, 2589080, 2595840, 2941440, 3106896, 3186560, 3823872, 3883620, 3921920, 4142528, 4779840, 5098496, 5178160, 5191680, 5882880, 6213792, 6373120, 7647744, 7767240, 8285056, 9559680, 10196992, 10356320, 11765760, 12427584, 12746240, 15295488, 15534480, 16570112, 19119360, 20712640, 24855168, 25492480, 30590976, 31068960, 33140224, 38238720, 41425280, 49710336, 50984960, 62137920, 66280448, 76477440, 82850560, 99420672, 124275840, 132560896, 152954880, 165701120, 198841344, 248551680, 331402240, 397682688, 497103360, 662804480, 994206720, 1988413440]

約数ペア:

[(1, 1988413440), (2, 994206720), (3, 662804480), (4, 497103360), (5, 397682688), (6, 331402240), (8, 248551680), (10, 198841344), (12, 165701120), (13, 152954880), (15, 132560896), (16, 124275840), (20, 99420672), (24, 82850560), (26, 76477440), (30, 66280448), (32, 62137920), (39, 50984960), (40, 49710336), (48, 41425280), (52, 38238720), (60, 33140224), (64, 31068960), (65, 30590976), (78, 25492480), (80, 24855168), (96, 20712640), (104, 19119360), (120, 16570112), (128, 15534480), (130, 15295488), (156, 12746240), (160, 12427584), (169, 11765760), (192, 10356320), (195, 10196992), (208, 9559680), (240, 8285056), (256, 7767240), (260, 7647744), (312, 6373120), (320, 6213792), (338, 5882880), (383, 5191680), (384, 5178160), (390, 5098496), (416, 4779840), (480, 4142528), (507, 3921920), (512, 3883620), (520, 3823872), (624, 3186560), (640, 3106896), (676, 2941440), (766, 2595840), (768, 2589080), (780, 2549248), (832, 2389920), (845, 2353152), (960, 2071264), (1014, 1960960), (1024, 1941810), (1040, 1911936), (1149, 1730560), (1248, 1593280), (1280, 1553448), (1352, 1470720), (1532, 1297920), (1536, 1294540), (1560, 1274624), (1664, 1194960), (1690, 1176576), (1915, 1038336), (1920, 1035632), (2028, 980480), (2048, 970905), (2080, 955968), (2298, 865280), (2496, 796640), (2535, 784384), (2560, 776724), (2704, 735360), (3064, 648960), (3072, 647270), (3120, 637312), (3328, 597480), (3380, 588288), (3830, 519168), (3840, 517816), (4056, 490240), (4160, 477984), (4596, 432640), (4979, 399360), (4992, 398320), (5070, 392192), (5120, 388362), (5408, 367680), (5745, 346112), (6128, 324480), (6144, 323635), (6240, 318656), (6656, 298740), (6760, 294144), (7660, 259584), (7680, 258908), (8112, 245120), (8320, 238992), (9192, 216320), (9958, 199680), (9984, 199160), (10140, 196096), (10240, 194181), (10816, 183840), (11490, 173056), (12256, 162240), (12480, 159328), (13312, 149370), (13520, 147072), (14937, 133120), (15320, 129792), (15360, 129454), (16224, 122560), (16640, 119496), (18384, 108160), (19916, 99840), (19968, 99580), (20280, 98048), (21632, 91920), (22980, 86528), (24512, 81120), (24895, 79872), (24960, 79664), (26624, 74685), (27040, 73536), (29874, 66560), (30640, 64896), (30720, 64727), (32448, 61280), (33280, 59748), (36768, 54080), (39832, 49920), (39936, 49790), (40560, 49024), (43264, 45960)]