12920951680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3637}}^1$

素因数の和:3737

約数の個数: 256

約数和(自身を含む): 38651276160

約数和(自身を除く): 25730324480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 61, 64, 65, 70, 80, 91, 104, 112, 122, 128, 130, 140, 160, 182, 208, 224, 244, 260, 280, 305, 320, 364, 416, 427, 448, 455, 488, 520, 560, 610, 640, 728, 793, 832, 854, 896, 910, 976, 1040, 1120, 1220, 1456, 1586, 1664, 1708, 1820, 1952, 2080, 2135, 2240, 2440, 2912, 3172, 3416, 3637, 3640, 3904, 3965, 4160, 4270, 4480, 4880, 5551, 5824, 6344, 6832, 7274, 7280, 7808, 7930, 8320, 8540, 9760, 11102, 11648, 12688, 13664, 14548, 14560, 15860, 17080, 18185, 19520, 22204, 25376, 25459, 27328, 27755, 29096, 29120, 31720, 34160, 36370, 39040, 44408, 47281, 50752, 50918, 54656, 55510, 58192, 58240, 63440, 68320, 72740, 88816, 94562, 101504, 101836, 111020, 116384, 126880, 127295, 136640, 145480, 177632, 189124, 203672, 221857, 222040, 232768, 236405, 253760, 254590, 273280, 290960, 330967, 355264, 378248, 407344, 443714, 444080, 465536, 472810, 507520, 509180, 581920, 661934, 710528, 756496, 814688, 887428, 888160, 945620, 1018360, 1109285, 1163840, 1323868, 1512992, 1552999, 1629376, 1654835, 1774856, 1776320, 1891240, 2036720, 2218570, 2327680, 2647736, 2884141, 3025984, 3105998, 3258752, 3309670, 3549712, 3552640, 3782480, 4073440, 4437140, 5295472, 5768282, 6051968, 6211996, 6619340, 7099424, 7564960, 7764995, 8146880, 8874280, 10590944, 11536564, 12423992, 13238680, 14198848, 14420705, 15129920, 15529990, 16293760, 17748560, 20188987, 21181888, 23073128, 24847984, 26477360, 28397696, 28841410, 30259840, 31059980, 35497120, 40377974, 42363776, 46146256, 49695968, 52954720, 57682820, 62119960, 70994240, 80755948, 92292512, 99391936, 100944935, 105909440, 115365640, 124239920, 141988480, 161511896, 184585024, 198783872, 201889870, 211818880, 230731280, 248479840, 323023792, 369170048, 403779740, 461462560, 496959680, 646047584, 807559480, 922925120, 993919360, 1292095168, 1615118960, 1845850240, 2584190336, 3230237920, 6460475840, 12920951680]

約数ペア:

[(1, 12920951680), (2, 6460475840), (4, 3230237920), (5, 2584190336), (7, 1845850240), (8, 1615118960), (10, 1292095168), (13, 993919360), (14, 922925120), (16, 807559480), (20, 646047584), (26, 496959680), (28, 461462560), (32, 403779740), (35, 369170048), (40, 323023792), (52, 248479840), (56, 230731280), (61, 211818880), (64, 201889870), (65, 198783872), (70, 184585024), (80, 161511896), (91, 141988480), (104, 124239920), (112, 115365640), (122, 105909440), (128, 100944935), (130, 99391936), (140, 92292512), (160, 80755948), (182, 70994240), (208, 62119960), (224, 57682820), (244, 52954720), (260, 49695968), (280, 46146256), (305, 42363776), (320, 40377974), (364, 35497120), (416, 31059980), (427, 30259840), (448, 28841410), (455, 28397696), (488, 26477360), (520, 24847984), (560, 23073128), (610, 21181888), (640, 20188987), (728, 17748560), (793, 16293760), (832, 15529990), (854, 15129920), (896, 14420705), (910, 14198848), (976, 13238680), (1040, 12423992), (1120, 11536564), (1220, 10590944), (1456, 8874280), (1586, 8146880), (1664, 7764995), (1708, 7564960), (1820, 7099424), (1952, 6619340), (2080, 6211996), (2135, 6051968), (2240, 5768282), (2440, 5295472), (2912, 4437140), (3172, 4073440), (3416, 3782480), (3637, 3552640), (3640, 3549712), (3904, 3309670), (3965, 3258752), (4160, 3105998), (4270, 3025984), (4480, 2884141), (4880, 2647736), (5551, 2327680), (5824, 2218570), (6344, 2036720), (6832, 1891240), (7274, 1776320), (7280, 1774856), (7808, 1654835), (7930, 1629376), (8320, 1552999), (8540, 1512992), (9760, 1323868), (11102, 1163840), (11648, 1109285), (12688, 1018360), (13664, 945620), (14548, 888160), (14560, 887428), (15860, 814688), (17080, 756496), (18185, 710528), (19520, 661934), (22204, 581920), (25376, 509180), (25459, 507520), (27328, 472810), (27755, 465536), (29096, 444080), (29120, 443714), (31720, 407344), (34160, 378248), (36370, 355264), (39040, 330967), (44408, 290960), (47281, 273280), (50752, 254590), (50918, 253760), (54656, 236405), (55510, 232768), (58192, 222040), (58240, 221857), (63440, 203672), (68320, 189124), (72740, 177632), (88816, 145480), (94562, 136640), (101504, 127295), (101836, 126880), (111020, 116384)]