1680432880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{49193}}^1$

素因数の和:49274

約数の個数: 80

約数和(自身を含む): 4538441664

約数和(自身を除く): 2858008784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 4270, 4880, 6832, 8540, 17080, 34160, 49193, 98386, 196772, 245965, 344351, 393544, 491930, 688702, 787088, 983860, 1377404, 1721755, 1967720, 2754808, 3000773, 3443510, 3935440, 5509616, 6001546, 6887020, 12003092, 13774040, 15003865, 21005411, 24006184, 27548080, 30007730, 42010822, 48012368, 60015460, 84021644, 105027055, 120030920, 168043288, 210054110, 240061840, 336086576, 420108220, 840216440, 1680432880]

約数ペア:

[(1, 1680432880), (2, 840216440), (4, 420108220), (5, 336086576), (7, 240061840), (8, 210054110), (10, 168043288), (14, 120030920), (16, 105027055), (20, 84021644), (28, 60015460), (35, 48012368), (40, 42010822), (56, 30007730), (61, 27548080), (70, 24006184), (80, 21005411), (112, 15003865), (122, 13774040), (140, 12003092), (244, 6887020), (280, 6001546), (305, 5509616), (427, 3935440), (488, 3443510), (560, 3000773), (610, 2754808), (854, 1967720), (976, 1721755), (1220, 1377404), (1708, 983860), (2135, 787088), (2440, 688702), (3416, 491930), (4270, 393544), (4880, 344351), (6832, 245965), (8540, 196772), (17080, 98386), (34160, 49193)]