1680648840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{853}}^1$

素因数の和:1304

約数の個数: 192

約数和(自身を含む): 5903155440

約数和(自身を除く): 4222506600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 421, 468, 520, 585, 780, 842, 853, 936, 1170, 1263, 1560, 1684, 1706, 2105, 2340, 2526, 2559, 3368, 3412, 3789, 4210, 4265, 4680, 5052, 5118, 5473, 6315, 6824, 7578, 7677, 8420, 8530, 10104, 10236, 10946, 11089, 12630, 12795, 15156, 15354, 16419, 16840, 17060, 18945, 20472, 21892, 22178, 25260, 25590, 27365, 30312, 30708, 32838, 33267, 34120, 37890, 38385, 43784, 44356, 49257, 50520, 51180, 54730, 55445, 61416, 65676, 66534, 75780, 76770, 82095, 88712, 98514, 99801, 102360, 109460, 110890, 131352, 133068, 151560, 153540, 164190, 166335, 197028, 199602, 218920, 221780, 246285, 266136, 307080, 328380, 332670, 359113, 394056, 399204, 443560, 492570, 499005, 656760, 665340, 718226, 798408, 985140, 998010, 1077339, 1330680, 1436452, 1795565, 1970280, 1996020, 2154678, 2872904, 3232017, 3591130, 3992040, 4309356, 4668469, 5386695, 6464034, 7182260, 8618712, 9336938, 10773390, 12928068, 14005407, 14364520, 16160085, 18673876, 21546780, 23342345, 25856136, 28010814, 32320170, 37347752, 42016221, 43093560, 46684690, 56021628, 64640340, 70027035, 84032442, 93369380, 112043256, 129280680, 140054070, 168064884, 186738760, 210081105, 280108140, 336129768, 420162210, 560216280, 840324420, 1680648840]

約数ペア:

[(1, 1680648840), (2, 840324420), (3, 560216280), (4, 420162210), (5, 336129768), (6, 280108140), (8, 210081105), (9, 186738760), (10, 168064884), (12, 140054070), (13, 129280680), (15, 112043256), (18, 93369380), (20, 84032442), (24, 70027035), (26, 64640340), (30, 56021628), (36, 46684690), (39, 43093560), (40, 42016221), (45, 37347752), (52, 32320170), (60, 28010814), (65, 25856136), (72, 23342345), (78, 21546780), (90, 18673876), (104, 16160085), (117, 14364520), (120, 14005407), (130, 12928068), (156, 10773390), (180, 9336938), (195, 8618712), (234, 7182260), (260, 6464034), (312, 5386695), (360, 4668469), (390, 4309356), (421, 3992040), (468, 3591130), (520, 3232017), (585, 2872904), (780, 2154678), (842, 1996020), (853, 1970280), (936, 1795565), (1170, 1436452), (1263, 1330680), (1560, 1077339), (1684, 998010), (1706, 985140), (2105, 798408), (2340, 718226), (2526, 665340), (2559, 656760), (3368, 499005), (3412, 492570), (3789, 443560), (4210, 399204), (4265, 394056), (4680, 359113), (5052, 332670), (5118, 328380), (5473, 307080), (6315, 266136), (6824, 246285), (7578, 221780), (7677, 218920), (8420, 199602), (8530, 197028), (10104, 166335), (10236, 164190), (10946, 153540), (11089, 151560), (12630, 133068), (12795, 131352), (15156, 110890), (15354, 109460), (16419, 102360), (16840, 99801), (17060, 98514), (18945, 88712), (20472, 82095), (21892, 76770), (22178, 75780), (25260, 66534), (25590, 65676), (27365, 61416), (30312, 55445), (30708, 54730), (32838, 51180), (33267, 50520), (34120, 49257), (37890, 44356), (38385, 43784)]