78877680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1671

約数の個数: 160

約数和(自身を含む): 289267200

約数和(自身を除く): 210389520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1392, 1619, 1624, 1680, 1740, 2030, 2320, 2436, 3045, 3238, 3248, 3480, 4060, 4857, 4872, 6090, 6476, 6960, 8095, 8120, 9714, 9744, 11333, 12180, 12952, 16190, 16240, 19428, 22666, 24285, 24360, 25904, 32380, 33999, 38856, 45332, 46951, 48570, 48720, 56665, 64760, 67998, 77712, 90664, 93902, 97140, 113330, 129520, 135996, 140853, 169995, 181328, 187804, 194280, 226660, 234755, 271992, 281706, 328657, 339990, 375608, 388560, 453320, 469510, 543984, 563412, 657314, 679980, 704265, 751216, 906640, 939020, 985971, 1126824, 1314628, 1359960, 1408530, 1643285, 1878040, 1971942, 2253648, 2629256, 2719920, 2817060, 3286570, 3756080, 3943884, 4929855, 5258512, 5634120, 6573140, 7887768, 9859710, 11268240, 13146280, 15775536, 19719420, 26292560, 39438840, 78877680]

約数ペア:

[(1, 78877680), (2, 39438840), (3, 26292560), (4, 19719420), (5, 15775536), (6, 13146280), (7, 11268240), (8, 9859710), (10, 7887768), (12, 6573140), (14, 5634120), (15, 5258512), (16, 4929855), (20, 3943884), (21, 3756080), (24, 3286570), (28, 2817060), (29, 2719920), (30, 2629256), (35, 2253648), (40, 1971942), (42, 1878040), (48, 1643285), (56, 1408530), (58, 1359960), (60, 1314628), (70, 1126824), (80, 985971), (84, 939020), (87, 906640), (105, 751216), (112, 704265), (116, 679980), (120, 657314), (140, 563412), (145, 543984), (168, 469510), (174, 453320), (203, 388560), (210, 375608), (232, 339990), (240, 328657), (280, 281706), (290, 271992), (336, 234755), (348, 226660), (406, 194280), (420, 187804), (435, 181328), (464, 169995), (560, 140853), (580, 135996), (609, 129520), (696, 113330), (812, 97140), (840, 93902), (870, 90664), (1015, 77712), (1160, 67998), (1218, 64760), (1392, 56665), (1619, 48720), (1624, 48570), (1680, 46951), (1740, 45332), (2030, 38856), (2320, 33999), (2436, 32380), (3045, 25904), (3238, 24360), (3248, 24285), (3480, 22666), (4060, 19428), (4857, 16240), (4872, 16190), (6090, 12952), (6476, 12180), (6960, 11333), (8095, 9744), (8120, 9714)]