78977920

素因数分解:

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

素因数の和:121

約数の個数: 192

約数和(自身を含む): 232976160

約数和(自身を除く): 153998240

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, 112, 119, 122, 128, 136, 140, 160, 170, 224, 238, 244, 272, 280, 289, 305, 320, 340, 427, 448, 476, 488, 544, 560, 578, 595, 610, 640, 680, 854, 896, 952, 976, 1037, 1088, 1120, 1156, 1190, 1220, 1360, 1445, 1708, 1904, 1952, 2023, 2074, 2135, 2176, 2240, 2312, 2380, 2440, 2720, 2890, 3416, 3808, 3904, 4046, 4148, 4270, 4480, 4624, 4760, 4880, 5185, 5440, 5780, 6832, 7259, 7616, 7808, 8092, 8296, 8540, 9248, 9520, 9760, 10115, 10370, 10880, 11560, 13664, 14518, 15232, 16184, 16592, 17080, 17629, 18496, 19040, 19520, 20230, 20740, 23120, 27328, 29036, 32368, 33184, 34160, 35258, 36295, 36992, 38080, 39040, 40460, 41480, 46240, 54656, 58072, 64736, 66368, 68320, 70516, 72590, 76160, 80920, 82960, 88145, 92480, 116144, 123403, 129472, 132736, 136640, 141032, 145180, 161840, 165920, 176290, 184960, 232288, 246806, 258944, 273280, 282064, 290360, 323680, 331840, 352580, 464576, 493612, 564128, 580720, 617015, 647360, 663680, 705160, 929152, 987224, 1128256, 1161440, 1234030, 1294720, 1410320, 1974448, 2256512, 2322880, 2468060, 2820640, 3948896, 4645760, 4936120, 5641280, 7897792, 9872240, 11282560, 15795584, 19744480, 39488960, 78977920]

約数ペア:

[(1, 78977920), (2, 39488960), (4, 19744480), (5, 15795584), (7, 11282560), (8, 9872240), (10, 7897792), (14, 5641280), (16, 4936120), (17, 4645760), (20, 3948896), (28, 2820640), (32, 2468060), (34, 2322880), (35, 2256512), (40, 1974448), (56, 1410320), (61, 1294720), (64, 1234030), (68, 1161440), (70, 1128256), (80, 987224), (85, 929152), (112, 705160), (119, 663680), (122, 647360), (128, 617015), (136, 580720), (140, 564128), (160, 493612), (170, 464576), (224, 352580), (238, 331840), (244, 323680), (272, 290360), (280, 282064), (289, 273280), (305, 258944), (320, 246806), (340, 232288), (427, 184960), (448, 176290), (476, 165920), (488, 161840), (544, 145180), (560, 141032), (578, 136640), (595, 132736), (610, 129472), (640, 123403), (680, 116144), (854, 92480), (896, 88145), (952, 82960), (976, 80920), (1037, 76160), (1088, 72590), (1120, 70516), (1156, 68320), (1190, 66368), (1220, 64736), (1360, 58072), (1445, 54656), (1708, 46240), (1904, 41480), (1952, 40460), (2023, 39040), (2074, 38080), (2135, 36992), (2176, 36295), (2240, 35258), (2312, 34160), (2380, 33184), (2440, 32368), (2720, 29036), (2890, 27328), (3416, 23120), (3808, 20740), (3904, 20230), (4046, 19520), (4148, 19040), (4270, 18496), (4480, 17629), (4624, 17080), (4760, 16592), (4880, 16184), (5185, 15232), (5440, 14518), (5780, 13664), (6832, 11560), (7259, 10880), (7616, 10370), (7808, 10115), (8092, 9760), (8296, 9520), (8540, 9248)]