420219240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 256

約数和(自身を含む): 1499904000

約数和(自身を除く): 1079684760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 61, 70, 84, 105, 118, 120, 122, 139, 140, 168, 177, 183, 210, 236, 244, 278, 280, 295, 305, 354, 366, 413, 417, 420, 427, 472, 488, 556, 590, 610, 695, 708, 732, 826, 834, 840, 854, 885, 915, 973, 1112, 1180, 1220, 1239, 1281, 1390, 1416, 1464, 1652, 1668, 1708, 1770, 1830, 1946, 2065, 2085, 2135, 2360, 2440, 2478, 2562, 2780, 2919, 3304, 3336, 3416, 3540, 3599, 3660, 3892, 4130, 4170, 4270, 4865, 4956, 5124, 5560, 5838, 6195, 6405, 7080, 7198, 7320, 7784, 8201, 8260, 8340, 8479, 8540, 9730, 9912, 10248, 10797, 11676, 12390, 12810, 14396, 14595, 16402, 16520, 16680, 16958, 17080, 17995, 19460, 21594, 23352, 24603, 24780, 25193, 25437, 25620, 28792, 29190, 32804, 33916, 35990, 38920, 41005, 42395, 43188, 49206, 49560, 50386, 50874, 51240, 53985, 57407, 58380, 59353, 65608, 67832, 71980, 75579, 82010, 84790, 86376, 98412, 100772, 101748, 107970, 114814, 116760, 118706, 123015, 125965, 127185, 143960, 151158, 164020, 169580, 172221, 178059, 196824, 201544, 203496, 215940, 229628, 237412, 246030, 251930, 254370, 287035, 296765, 302316, 328040, 339160, 344442, 356118, 377895, 431880, 459256, 474824, 492060, 500261, 503860, 508740, 574070, 593530, 604632, 688884, 712236, 755790, 861105, 890295, 984120, 1000522, 1007720, 1017480, 1148140, 1187060, 1377768, 1424472, 1500783, 1511580, 1722210, 1780590, 2001044, 2296280, 2374120, 2501305, 3001566, 3023160, 3444420, 3501827, 3561180, 4002088, 5002610, 6003132, 6888840, 7003654, 7122360, 7503915, 10005220, 10505481, 12006264, 14007308, 15007830, 17509135, 20010440, 21010962, 28014616, 30015660, 35018270, 42021924, 52527405, 60031320, 70036540, 84043848, 105054810, 140073080, 210109620, 420219240]

約数ペア:

[(1, 420219240), (2, 210109620), (3, 140073080), (4, 105054810), (5, 84043848), (6, 70036540), (7, 60031320), (8, 52527405), (10, 42021924), (12, 35018270), (14, 30015660), (15, 28014616), (20, 21010962), (21, 20010440), (24, 17509135), (28, 15007830), (30, 14007308), (35, 12006264), (40, 10505481), (42, 10005220), (56, 7503915), (59, 7122360), (60, 7003654), (61, 6888840), (70, 6003132), (84, 5002610), (105, 4002088), (118, 3561180), (120, 3501827), (122, 3444420), (139, 3023160), (140, 3001566), (168, 2501305), (177, 2374120), (183, 2296280), (210, 2001044), (236, 1780590), (244, 1722210), (278, 1511580), (280, 1500783), (295, 1424472), (305, 1377768), (354, 1187060), (366, 1148140), (413, 1017480), (417, 1007720), (420, 1000522), (427, 984120), (472, 890295), (488, 861105), (556, 755790), (590, 712236), (610, 688884), (695, 604632), (708, 593530), (732, 574070), (826, 508740), (834, 503860), (840, 500261), (854, 492060), (885, 474824), (915, 459256), (973, 431880), (1112, 377895), (1180, 356118), (1220, 344442), (1239, 339160), (1281, 328040), (1390, 302316), (1416, 296765), (1464, 287035), (1652, 254370), (1668, 251930), (1708, 246030), (1770, 237412), (1830, 229628), (1946, 215940), (2065, 203496), (2085, 201544), (2135, 196824), (2360, 178059), (2440, 172221), (2478, 169580), (2562, 164020), (2780, 151158), (2919, 143960), (3304, 127185), (3336, 125965), (3416, 123015), (3540, 118706), (3599, 116760), (3660, 114814), (3892, 107970), (4130, 101748), (4170, 100772), (4270, 98412), (4865, 86376), (4956, 84790), (5124, 82010), (5560, 75579), (5838, 71980), (6195, 67832), (6405, 65608), (7080, 59353), (7198, 58380), (7320, 57407), (7784, 53985), (8201, 51240), (8260, 50874), (8340, 50386), (8479, 49560), (8540, 49206), (9730, 43188), (9912, 42395), (10248, 41005), (10797, 38920), (11676, 35990), (12390, 33916), (12810, 32804), (14396, 29190), (14595, 28792), (16402, 25620), (16520, 25437), (16680, 25193), (16958, 24780), (17080, 24603), (17995, 23352), (19460, 21594)]