221351520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 192

約数和(自身を含む): 790836480

約数和(自身を除く): 569484960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 416, 456, 480, 494, 520, 570, 608, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1248, 1482, 1520, 1560, 1824, 1867, 1976, 2080, 2280, 2470, 2964, 3040, 3120, 3705, 3734, 3952, 4560, 4940, 5601, 5928, 6240, 7410, 7468, 7904, 9120, 9335, 9880, 11202, 11856, 14820, 14936, 18670, 19760, 22404, 23712, 24271, 28005, 29640, 29872, 35473, 37340, 39520, 44808, 48542, 56010, 59280, 59744, 70946, 72813, 74680, 89616, 97084, 106419, 112020, 118560, 121355, 141892, 145626, 149360, 177365, 179232, 194168, 212838, 224040, 242710, 283784, 291252, 298720, 354730, 364065, 388336, 425676, 448080, 461149, 485420, 532095, 567568, 582504, 709460, 728130, 776672, 851352, 896160, 922298, 970840, 1064190, 1135136, 1165008, 1383447, 1418920, 1456260, 1702704, 1844596, 1941680, 2128380, 2305745, 2330016, 2766894, 2837840, 2912520, 3405408, 3689192, 3883360, 4256760, 4611490, 5533788, 5675680, 5825040, 6917235, 7378384, 8513520, 9222980, 11067576, 11650080, 13834470, 14756768, 17027040, 18445960, 22135152, 27668940, 36891920, 44270304, 55337880, 73783840, 110675760, 221351520]

約数ペア:

[(1, 221351520), (2, 110675760), (3, 73783840), (4, 55337880), (5, 44270304), (6, 36891920), (8, 27668940), (10, 22135152), (12, 18445960), (13, 17027040), (15, 14756768), (16, 13834470), (19, 11650080), (20, 11067576), (24, 9222980), (26, 8513520), (30, 7378384), (32, 6917235), (38, 5825040), (39, 5675680), (40, 5533788), (48, 4611490), (52, 4256760), (57, 3883360), (60, 3689192), (65, 3405408), (76, 2912520), (78, 2837840), (80, 2766894), (95, 2330016), (96, 2305745), (104, 2128380), (114, 1941680), (120, 1844596), (130, 1702704), (152, 1456260), (156, 1418920), (160, 1383447), (190, 1165008), (195, 1135136), (208, 1064190), (228, 970840), (240, 922298), (247, 896160), (260, 851352), (285, 776672), (304, 728130), (312, 709460), (380, 582504), (390, 567568), (416, 532095), (456, 485420), (480, 461149), (494, 448080), (520, 425676), (570, 388336), (608, 364065), (624, 354730), (741, 298720), (760, 291252), (780, 283784), (912, 242710), (988, 224040), (1040, 212838), (1140, 194168), (1235, 179232), (1248, 177365), (1482, 149360), (1520, 145626), (1560, 141892), (1824, 121355), (1867, 118560), (1976, 112020), (2080, 106419), (2280, 97084), (2470, 89616), (2964, 74680), (3040, 72813), (3120, 70946), (3705, 59744), (3734, 59280), (3952, 56010), (4560, 48542), (4940, 44808), (5601, 39520), (5928, 37340), (6240, 35473), (7410, 29872), (7468, 29640), (7904, 28005), (9120, 24271), (9335, 23712), (9880, 22404), (11202, 19760), (11856, 18670), (14820, 14936)]