420920010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 192

約数和(自身を含む): 1344188160

約数和(自身を除く): 923268150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 421, 483, 529, 621, 630, 690, 805, 842, 945, 966, 1035, 1058, 1242, 1263, 1449, 1587, 1610, 1890, 2070, 2105, 2415, 2526, 2645, 2898, 2947, 3105, 3174, 3703, 3789, 4210, 4347, 4761, 4830, 5290, 5894, 6210, 6315, 7245, 7406, 7578, 7935, 8694, 8841, 9522, 9683, 11109, 11367, 12630, 14283, 14490, 14735, 15870, 17682, 18515, 18945, 19366, 21735, 22218, 22734, 23805, 26523, 28566, 29049, 29470, 33327, 37030, 37890, 43470, 44205, 47610, 48415, 53046, 55545, 56835, 58098, 66654, 67781, 71415, 79569, 87147, 88410, 96830, 99981, 111090, 113670, 132615, 135562, 142830, 145245, 159138, 166635, 174294, 199962, 203343, 222709, 261441, 265230, 290490, 333270, 338905, 397845, 406686, 435735, 445418, 499905, 522882, 610029, 668127, 677810, 795690, 871470, 999810, 1016715, 1113545, 1220058, 1307205, 1336254, 1558963, 1830087, 2004381, 2033430, 2227090, 2614410, 3050145, 3117926, 3340635, 3660174, 4008762, 4676889, 6013143, 6100290, 6681270, 7794815, 9150435, 9353778, 10021905, 12026286, 14030667, 15589630, 18300870, 20043810, 23384445, 28061334, 30065715, 42092001, 46768890, 60131430, 70153335, 84184002, 140306670, 210460005, 420920010]

約数ペア:

[(1, 420920010), (2, 210460005), (3, 140306670), (5, 84184002), (6, 70153335), (7, 60131430), (9, 46768890), (10, 42092001), (14, 30065715), (15, 28061334), (18, 23384445), (21, 20043810), (23, 18300870), (27, 15589630), (30, 14030667), (35, 12026286), (42, 10021905), (45, 9353778), (46, 9150435), (54, 7794815), (63, 6681270), (69, 6100290), (70, 6013143), (90, 4676889), (105, 4008762), (115, 3660174), (126, 3340635), (135, 3117926), (138, 3050145), (161, 2614410), (189, 2227090), (207, 2033430), (210, 2004381), (230, 1830087), (270, 1558963), (315, 1336254), (322, 1307205), (345, 1220058), (378, 1113545), (414, 1016715), (421, 999810), (483, 871470), (529, 795690), (621, 677810), (630, 668127), (690, 610029), (805, 522882), (842, 499905), (945, 445418), (966, 435735), (1035, 406686), (1058, 397845), (1242, 338905), (1263, 333270), (1449, 290490), (1587, 265230), (1610, 261441), (1890, 222709), (2070, 203343), (2105, 199962), (2415, 174294), (2526, 166635), (2645, 159138), (2898, 145245), (2947, 142830), (3105, 135562), (3174, 132615), (3703, 113670), (3789, 111090), (4210, 99981), (4347, 96830), (4761, 88410), (4830, 87147), (5290, 79569), (5894, 71415), (6210, 67781), (6315, 66654), (7245, 58098), (7406, 56835), (7578, 55545), (7935, 53046), (8694, 48415), (8841, 47610), (9522, 44205), (9683, 43470), (11109, 37890), (11367, 37030), (12630, 33327), (14283, 29470), (14490, 29049), (14735, 28566), (15870, 26523), (17682, 23805), (18515, 22734), (18945, 22218), (19366, 21735)]