78543920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10789}}^1$

素因数の和:10822

約数の個数: 80

約数和(自身を含む): 224777280

約数和(自身を除く): 146233360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 10789, 21578, 43156, 53945, 75523, 86312, 107890, 140257, 151046, 172624, 215780, 280514, 302092, 377615, 431560, 561028, 604184, 701285, 755230, 863120, 981799, 1122056, 1208368, 1402570, 1510460, 1963598, 2244112, 2805140, 3020920, 3927196, 4908995, 5610280, 6041840, 7854392, 9817990, 11220560, 15708784, 19635980, 39271960, 78543920]

約数ペア:

[(1, 78543920), (2, 39271960), (4, 19635980), (5, 15708784), (7, 11220560), (8, 9817990), (10, 7854392), (13, 6041840), (14, 5610280), (16, 4908995), (20, 3927196), (26, 3020920), (28, 2805140), (35, 2244112), (40, 1963598), (52, 1510460), (56, 1402570), (65, 1208368), (70, 1122056), (80, 981799), (91, 863120), (104, 755230), (112, 701285), (130, 604184), (140, 561028), (182, 431560), (208, 377615), (260, 302092), (280, 280514), (364, 215780), (455, 172624), (520, 151046), (560, 140257), (728, 107890), (910, 86312), (1040, 75523), (1456, 53945), (1820, 43156), (3640, 21578), (7280, 10789)]