1955887920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{55439}}^1$

素因数の和:55472

約数の個数: 180

約数和(自身を含む): 7641073440

約数和(自身を除く): 5685185520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 35280, 55439, 110878, 166317, 221756, 277195, 332634, 388073, 443512, 498951, 554390, 665268, 776146, 831585, 887024, 997902, 1108780, 1164219, 1330536, 1552292, 1663170, 1940365, 1995804, 2217560, 2328438, 2494755, 2661072, 2716511, 3104584, 3326340, 3492657, 3880730, 3991608, 4435120, 4656876, 4989510, 5433022, 5821095, 6209168, 6652680, 6985314, 7761460, 7983216, 8149533, 9313752, 9979020, 10866044, 11642190, 13305360, 13582555, 13970628, 15522920, 16299066, 17463285, 18627504, 19958040, 21732088, 23284380, 24448599, 27165110, 27941256, 31045840, 32598132, 34926570, 39916080, 40747665, 43464176, 46568760, 48897198, 54330220, 55882512, 65196264, 69853140, 81495330, 93137520, 97794396, 108660440, 122242995, 130392528, 139706280, 162990660, 195588792, 217320880, 244485990, 279412560, 325981320, 391177584, 488971980, 651962640, 977943960, 1955887920]

約数ペア:

[(1, 1955887920), (2, 977943960), (3, 651962640), (4, 488971980), (5, 391177584), (6, 325981320), (7, 279412560), (8, 244485990), (9, 217320880), (10, 195588792), (12, 162990660), (14, 139706280), (15, 130392528), (16, 122242995), (18, 108660440), (20, 97794396), (21, 93137520), (24, 81495330), (28, 69853140), (30, 65196264), (35, 55882512), (36, 54330220), (40, 48897198), (42, 46568760), (45, 43464176), (48, 40747665), (49, 39916080), (56, 34926570), (60, 32598132), (63, 31045840), (70, 27941256), (72, 27165110), (80, 24448599), (84, 23284380), (90, 21732088), (98, 19958040), (105, 18627504), (112, 17463285), (120, 16299066), (126, 15522920), (140, 13970628), (144, 13582555), (147, 13305360), (168, 11642190), (180, 10866044), (196, 9979020), (210, 9313752), (240, 8149533), (245, 7983216), (252, 7761460), (280, 6985314), (294, 6652680), (315, 6209168), (336, 5821095), (360, 5433022), (392, 4989510), (420, 4656876), (441, 4435120), (490, 3991608), (504, 3880730), (560, 3492657), (588, 3326340), (630, 3104584), (720, 2716511), (735, 2661072), (784, 2494755), (840, 2328438), (882, 2217560), (980, 1995804), (1008, 1940365), (1176, 1663170), (1260, 1552292), (1470, 1330536), (1680, 1164219), (1764, 1108780), (1960, 997902), (2205, 887024), (2352, 831585), (2520, 776146), (2940, 665268), (3528, 554390), (3920, 498951), (4410, 443512), (5040, 388073), (5880, 332634), (7056, 277195), (8820, 221756), (11760, 166317), (17640, 110878), (35280, 55439)]