1988385280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 320

約数和(自身を含む): 5918406912

約数和(自身を除く): 3930021632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 61, 64, 68, 70, 80, 85, 107, 112, 119, 122, 128, 136, 140, 160, 170, 214, 224, 238, 244, 256, 272, 280, 305, 320, 340, 427, 428, 448, 476, 488, 512, 535, 544, 560, 595, 610, 640, 680, 749, 854, 856, 896, 952, 976, 1037, 1070, 1088, 1120, 1190, 1220, 1280, 1360, 1498, 1708, 1712, 1792, 1819, 1904, 1952, 2074, 2135, 2140, 2176, 2240, 2380, 2440, 2560, 2720, 2996, 3416, 3424, 3584, 3638, 3745, 3808, 3904, 4148, 4270, 4280, 4352, 4480, 4760, 4880, 5185, 5440, 5992, 6527, 6832, 6848, 7259, 7276, 7490, 7616, 7808, 8296, 8540, 8560, 8704, 8960, 9095, 9520, 9760, 10370, 10880, 11984, 12733, 13054, 13664, 13696, 14518, 14552, 14980, 15232, 15616, 16592, 17080, 17120, 17920, 18190, 19040, 19520, 20740, 21760, 23968, 25466, 26108, 27328, 27392, 29036, 29104, 29960, 30464, 31232, 32635, 33184, 34160, 34240, 36295, 36380, 38080, 39040, 41480, 43520, 45689, 47936, 50932, 52216, 54656, 54784, 58072, 58208, 59920, 60928, 63665, 65270, 66368, 68320, 68480, 72590, 72760, 76160, 78080, 82960, 91378, 95872, 101864, 104432, 109312, 110959, 116144, 116416, 119840, 127330, 130540, 132736, 136640, 136960, 145180, 145520, 152320, 156160, 165920, 182756, 191744, 203728, 208864, 218624, 221918, 228445, 232288, 232832, 239680, 254660, 261080, 265472, 273280, 273920, 290360, 291040, 304640, 331840, 365512, 383488, 407456, 417728, 443836, 456890, 464576, 465664, 479360, 509320, 522160, 530944, 546560, 554795, 580720, 582080, 663680, 731024, 776713, 814912, 835456, 887672, 913780, 929152, 931328, 958720, 1018640, 1044320, 1093120, 1109590, 1161440, 1164160, 1327360, 1462048, 1553426, 1629824, 1670912, 1775344, 1827560, 1858304, 1917440, 2037280, 2088640, 2219180, 2322880, 2328320, 2654720, 2924096, 3106852, 3259648, 3341824, 3550688, 3655120, 3716608, 3883565, 4074560, 4177280, 4438360, 4645760, 4656640, 5848192, 6213704, 6519296, 7101376, 7310240, 7767130, 8149120, 8354560, 8876720, 9291520, 11696384, 12427408, 14202752, 14620480, 15534260, 16298240, 16709120, 17753440, 18583040, 23392768, 24854816, 28405504, 29240960, 31068520, 32596480, 35506880, 49709632, 56811008, 58481920, 62137040, 71013760, 99419264, 116963840, 124274080, 142027520, 198838528, 248548160, 284055040, 397677056, 497096320, 994192640, 1988385280]

約数ペア:

[(1, 1988385280), (2, 994192640), (4, 497096320), (5, 397677056), (7, 284055040), (8, 248548160), (10, 198838528), (14, 142027520), (16, 124274080), (17, 116963840), (20, 99419264), (28, 71013760), (32, 62137040), (34, 58481920), (35, 56811008), (40, 49709632), (56, 35506880), (61, 32596480), (64, 31068520), (68, 29240960), (70, 28405504), (80, 24854816), (85, 23392768), (107, 18583040), (112, 17753440), (119, 16709120), (122, 16298240), (128, 15534260), (136, 14620480), (140, 14202752), (160, 12427408), (170, 11696384), (214, 9291520), (224, 8876720), (238, 8354560), (244, 8149120), (256, 7767130), (272, 7310240), (280, 7101376), (305, 6519296), (320, 6213704), (340, 5848192), (427, 4656640), (428, 4645760), (448, 4438360), (476, 4177280), (488, 4074560), (512, 3883565), (535, 3716608), (544, 3655120), (560, 3550688), (595, 3341824), (610, 3259648), (640, 3106852), (680, 2924096), (749, 2654720), (854, 2328320), (856, 2322880), (896, 2219180), (952, 2088640), (976, 2037280), (1037, 1917440), (1070, 1858304), (1088, 1827560), (1120, 1775344), (1190, 1670912), (1220, 1629824), (1280, 1553426), (1360, 1462048), (1498, 1327360), (1708, 1164160), (1712, 1161440), (1792, 1109590), (1819, 1093120), (1904, 1044320), (1952, 1018640), (2074, 958720), (2135, 931328), (2140, 929152), (2176, 913780), (2240, 887672), (2380, 835456), (2440, 814912), (2560, 776713), (2720, 731024), (2996, 663680), (3416, 582080), (3424, 580720), (3584, 554795), (3638, 546560), (3745, 530944), (3808, 522160), (3904, 509320), (4148, 479360), (4270, 465664), (4280, 464576), (4352, 456890), (4480, 443836), (4760, 417728), (4880, 407456), (5185, 383488), (5440, 365512), (5992, 331840), (6527, 304640), (6832, 291040), (6848, 290360), (7259, 273920), (7276, 273280), (7490, 265472), (7616, 261080), (7808, 254660), (8296, 239680), (8540, 232832), (8560, 232288), (8704, 228445), (8960, 221918), (9095, 218624), (9520, 208864), (9760, 203728), (10370, 191744), (10880, 182756), (11984, 165920), (12733, 156160), (13054, 152320), (13664, 145520), (13696, 145180), (14518, 136960), (14552, 136640), (14980, 132736), (15232, 130540), (15616, 127330), (16592, 119840), (17080, 116416), (17120, 116144), (17920, 110959), (18190, 109312), (19040, 104432), (19520, 101864), (20740, 95872), (21760, 91378), (23968, 82960), (25466, 78080), (26108, 76160), (27328, 72760), (27392, 72590), (29036, 68480), (29104, 68320), (29960, 66368), (30464, 65270), (31232, 63665), (32635, 60928), (33184, 59920), (34160, 58208), (34240, 58072), (36295, 54784), (36380, 54656), (38080, 52216), (39040, 50932), (41480, 47936), (43520, 45689)]