51997680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 320

約数和(自身を含む): 216652800

約数和(自身を除く): 164655120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 181, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 362, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 543, 560, 570, 630, 665, 684, 720, 724, 756, 760, 798, 840, 855, 905, 912, 945, 1008, 1026, 1064, 1080, 1086, 1140, 1197, 1260, 1267, 1330, 1368, 1448, 1512, 1520, 1596, 1629, 1680, 1710, 1810, 1890, 1995, 2052, 2128, 2160, 2172, 2280, 2394, 2520, 2534, 2565, 2660, 2715, 2736, 2896, 3024, 3192, 3258, 3420, 3439, 3591, 3620, 3780, 3801, 3990, 4104, 4344, 4560, 4788, 4887, 5040, 5068, 5130, 5320, 5430, 5985, 6335, 6384, 6516, 6840, 6878, 7182, 7240, 7560, 7602, 7980, 8145, 8208, 8688, 9576, 9774, 10136, 10260, 10317, 10640, 10860, 11403, 11970, 12670, 13032, 13680, 13756, 14364, 14480, 15120, 15204, 15960, 16290, 17195, 17955, 19005, 19152, 19548, 20272, 20520, 20634, 21720, 22806, 23940, 24073, 24435, 25340, 26064, 27512, 28728, 30408, 30951, 31920, 32580, 34209, 34390, 35910, 38010, 39096, 41040, 41268, 43440, 45612, 47880, 48146, 48870, 50680, 51585, 55024, 57015, 57456, 60816, 61902, 65160, 68418, 68780, 71820, 72219, 76020, 78192, 82536, 91224, 92853, 95760, 96292, 97740, 101360, 103170, 114030, 120365, 123804, 130320, 136836, 137560, 143640, 144438, 152040, 154755, 165072, 171045, 182448, 185706, 192584, 195480, 206340, 216657, 228060, 240730, 247608, 273672, 275120, 287280, 288876, 304080, 309510, 342090, 361095, 371412, 385168, 390960, 412680, 433314, 456120, 464265, 481460, 495216, 547344, 577752, 619020, 649971, 684180, 722190, 742824, 825360, 866628, 912240, 928530, 962920, 1083285, 1155504, 1238040, 1299942, 1368360, 1444380, 1485648, 1733256, 1857060, 1925840, 2166570, 2476080, 2599884, 2736720, 2888760, 3249855, 3466512, 3714120, 4333140, 5199768, 5777520, 6499710, 7428240, 8666280, 10399536, 12999420, 17332560, 25998840, 51997680]

約数ペア:

[(1, 51997680), (2, 25998840), (3, 17332560), (4, 12999420), (5, 10399536), (6, 8666280), (7, 7428240), (8, 6499710), (9, 5777520), (10, 5199768), (12, 4333140), (14, 3714120), (15, 3466512), (16, 3249855), (18, 2888760), (19, 2736720), (20, 2599884), (21, 2476080), (24, 2166570), (27, 1925840), (28, 1857060), (30, 1733256), (35, 1485648), (36, 1444380), (38, 1368360), (40, 1299942), (42, 1238040), (45, 1155504), (48, 1083285), (54, 962920), (56, 928530), (57, 912240), (60, 866628), (63, 825360), (70, 742824), (72, 722190), (76, 684180), (80, 649971), (84, 619020), (90, 577752), (95, 547344), (105, 495216), (108, 481460), (112, 464265), (114, 456120), (120, 433314), (126, 412680), (133, 390960), (135, 385168), (140, 371412), (144, 361095), (152, 342090), (168, 309510), (171, 304080), (180, 288876), (181, 287280), (189, 275120), (190, 273672), (210, 247608), (216, 240730), (228, 228060), (240, 216657), (252, 206340), (266, 195480), (270, 192584), (280, 185706), (285, 182448), (304, 171045), (315, 165072), (336, 154755), (342, 152040), (360, 144438), (362, 143640), (378, 137560), (380, 136836), (399, 130320), (420, 123804), (432, 120365), (456, 114030), (504, 103170), (513, 101360), (532, 97740), (540, 96292), (543, 95760), (560, 92853), (570, 91224), (630, 82536), (665, 78192), (684, 76020), (720, 72219), (724, 71820), (756, 68780), (760, 68418), (798, 65160), (840, 61902), (855, 60816), (905, 57456), (912, 57015), (945, 55024), (1008, 51585), (1026, 50680), (1064, 48870), (1080, 48146), (1086, 47880), (1140, 45612), (1197, 43440), (1260, 41268), (1267, 41040), (1330, 39096), (1368, 38010), (1448, 35910), (1512, 34390), (1520, 34209), (1596, 32580), (1629, 31920), (1680, 30951), (1710, 30408), (1810, 28728), (1890, 27512), (1995, 26064), (2052, 25340), (2128, 24435), (2160, 24073), (2172, 23940), (2280, 22806), (2394, 21720), (2520, 20634), (2534, 20520), (2565, 20272), (2660, 19548), (2715, 19152), (2736, 19005), (2896, 17955), (3024, 17195), (3192, 16290), (3258, 15960), (3420, 15204), (3439, 15120), (3591, 14480), (3620, 14364), (3780, 13756), (3801, 13680), (3990, 13032), (4104, 12670), (4344, 11970), (4560, 11403), (4788, 10860), (4887, 10640), (5040, 10317), (5068, 10260), (5130, 10136), (5320, 9774), (5430, 9576), (5985, 8688), (6335, 8208), (6384, 8145), (6516, 7980), (6840, 7602), (6878, 7560), (7182, 7240)]