78879081640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1\times {\mathrm{617}}^1$

素因数の和:1375

約数の個数: 128

約数和(自身を含む): 183752906400

約数和(自身を除く): 104873824760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 274, 328, 410, 548, 569, 617, 685, 820, 1096, 1138, 1234, 1370, 1640, 2276, 2468, 2740, 2845, 3085, 4552, 4936, 5480, 5617, 5690, 6170, 11234, 11380, 12340, 22468, 22760, 23329, 24680, 25297, 28085, 44936, 46658, 50594, 56170, 77953, 84529, 93316, 101188, 112340, 116645, 126485, 155906, 169058, 186632, 202376, 224680, 233290, 252970, 311812, 338116, 351073, 389765, 422645, 466580, 505940, 623624, 676232, 702146, 779530, 845290, 933160, 1011880, 1404292, 1559060, 1690580, 1755365, 2808584, 3118120, 3196073, 3381160, 3465689, 3510730, 6392146, 6931378, 7021460, 12784292, 13862756, 14042920, 14393993, 15980365, 17328445, 25568584, 27725512, 28787986, 31960730, 34656890, 48097001, 57575972, 63921460, 69313780, 71969965, 96194002, 115151944, 127842920, 138627560, 143939930, 192388004, 240485005, 287879860, 384776008, 480970010, 575759720, 961940020, 1923880040, 1971977041, 3943954082, 7887908164, 9859885205, 15775816328, 19719770410, 39439540820, 78879081640]

約数ペア:

[(1, 78879081640), (2, 39439540820), (4, 19719770410), (5, 15775816328), (8, 9859885205), (10, 7887908164), (20, 3943954082), (40, 1971977041), (41, 1923880040), (82, 961940020), (137, 575759720), (164, 480970010), (205, 384776008), (274, 287879860), (328, 240485005), (410, 192388004), (548, 143939930), (569, 138627560), (617, 127842920), (685, 115151944), (820, 96194002), (1096, 71969965), (1138, 69313780), (1234, 63921460), (1370, 57575972), (1640, 48097001), (2276, 34656890), (2468, 31960730), (2740, 28787986), (2845, 27725512), (3085, 25568584), (4552, 17328445), (4936, 15980365), (5480, 14393993), (5617, 14042920), (5690, 13862756), (6170, 12784292), (11234, 7021460), (11380, 6931378), (12340, 6392146), (22468, 3510730), (22760, 3465689), (23329, 3381160), (24680, 3196073), (25297, 3118120), (28085, 2808584), (44936, 1755365), (46658, 1690580), (50594, 1559060), (56170, 1404292), (77953, 1011880), (84529, 933160), (93316, 845290), (101188, 779530), (112340, 702146), (116645, 676232), (126485, 623624), (155906, 505940), (169058, 466580), (186632, 422645), (202376, 389765), (224680, 351073), (233290, 338116), (252970, 311812)]