820119888

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{991}}^1$

素因数の和:1833

約数の個数: 120

約数和(自身を含む): 2628926976

約数和(自身を除く): 1808807088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 821, 991, 1008, 1642, 1982, 2463, 2973, 3284, 3964, 4926, 5747, 5946, 6568, 6937, 7389, 7928, 8919, 9852, 11494, 11892, 13136, 13874, 14778, 15856, 17241, 17838, 19704, 20811, 22988, 23784, 27748, 29556, 34482, 35676, 39408, 41622, 45976, 47568, 51723, 55496, 59112, 62433, 68964, 71352, 83244, 91952, 103446, 110992, 118224, 124866, 137928, 142704, 166488, 206892, 249732, 275856, 332976, 413784, 499464, 813611, 827568, 998928, 1627222, 2440833, 3254444, 4881666, 5695277, 6508888, 7322499, 9763332, 11390554, 13017776, 14644998, 17085831, 19526664, 22781108, 29289996, 34171662, 39053328, 45562216, 51257493, 58579992, 68343324, 91124432, 102514986, 117159984, 136686648, 205029972, 273373296, 410059944, 820119888]

約数ペア:

[(1, 820119888), (2, 410059944), (3, 273373296), (4, 205029972), (6, 136686648), (7, 117159984), (8, 102514986), (9, 91124432), (12, 68343324), (14, 58579992), (16, 51257493), (18, 45562216), (21, 39053328), (24, 34171662), (28, 29289996), (36, 22781108), (42, 19526664), (48, 17085831), (56, 14644998), (63, 13017776), (72, 11390554), (84, 9763332), (112, 7322499), (126, 6508888), (144, 5695277), (168, 4881666), (252, 3254444), (336, 2440833), (504, 1627222), (821, 998928), (991, 827568), (1008, 813611), (1642, 499464), (1982, 413784), (2463, 332976), (2973, 275856), (3284, 249732), (3964, 206892), (4926, 166488), (5747, 142704), (5946, 137928), (6568, 124866), (6937, 118224), (7389, 110992), (7928, 103446), (8919, 91952), (9852, 83244), (11494, 71352), (11892, 68964), (13136, 62433), (13874, 59112), (14778, 55496), (15856, 51723), (17241, 47568), (17838, 45976), (19704, 41622), (20811, 39408), (22988, 35676), (23784, 34482), (27748, 29556)]