215519920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:683

約数の個数: 160

約数和(自身を含む): 636387840

約数和(自身を除く): 420867920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 80, 88, 110, 112, 118, 140, 154, 176, 220, 236, 280, 295, 308, 385, 413, 440, 472, 560, 590, 593, 616, 649, 770, 826, 880, 944, 1180, 1186, 1232, 1298, 1540, 1652, 2065, 2360, 2372, 2596, 2965, 3080, 3245, 3304, 4130, 4151, 4543, 4720, 4744, 5192, 5930, 6160, 6490, 6523, 6608, 8260, 8302, 9086, 9488, 10384, 11860, 12980, 13046, 16520, 16604, 18172, 20755, 22715, 23720, 25960, 26092, 32615, 33040, 33208, 34987, 36344, 41510, 45430, 45661, 47440, 51920, 52184, 65230, 66416, 69974, 72688, 83020, 90860, 91322, 104368, 130460, 139948, 166040, 174935, 181720, 182644, 228305, 244909, 260920, 279896, 332080, 349870, 363440, 365288, 384857, 456610, 489818, 521840, 559792, 699740, 730576, 769714, 913220, 979636, 1224545, 1399480, 1539428, 1826440, 1924285, 1959272, 2449090, 2693999, 2798960, 3078856, 3652880, 3848570, 3918544, 4898180, 5387998, 6157712, 7697140, 9796360, 10775996, 13469995, 15394280, 19592720, 21551992, 26939990, 30788560, 43103984, 53879980, 107759960, 215519920]

約数ペア:

[(1, 215519920), (2, 107759960), (4, 53879980), (5, 43103984), (7, 30788560), (8, 26939990), (10, 21551992), (11, 19592720), (14, 15394280), (16, 13469995), (20, 10775996), (22, 9796360), (28, 7697140), (35, 6157712), (40, 5387998), (44, 4898180), (55, 3918544), (56, 3848570), (59, 3652880), (70, 3078856), (77, 2798960), (80, 2693999), (88, 2449090), (110, 1959272), (112, 1924285), (118, 1826440), (140, 1539428), (154, 1399480), (176, 1224545), (220, 979636), (236, 913220), (280, 769714), (295, 730576), (308, 699740), (385, 559792), (413, 521840), (440, 489818), (472, 456610), (560, 384857), (590, 365288), (593, 363440), (616, 349870), (649, 332080), (770, 279896), (826, 260920), (880, 244909), (944, 228305), (1180, 182644), (1186, 181720), (1232, 174935), (1298, 166040), (1540, 139948), (1652, 130460), (2065, 104368), (2360, 91322), (2372, 90860), (2596, 83020), (2965, 72688), (3080, 69974), (3245, 66416), (3304, 65230), (4130, 52184), (4151, 51920), (4543, 47440), (4720, 45661), (4744, 45430), (5192, 41510), (5930, 36344), (6160, 34987), (6490, 33208), (6523, 33040), (6608, 32615), (8260, 26092), (8302, 25960), (9086, 23720), (9488, 22715), (10384, 20755), (11860, 18172), (12980, 16604), (13046, 16520)]