405325440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5413}}^1$

素因数の和:5451

約数の個数: 192

約数和(自身を含む): 1507582440

約数和(自身を除く): 1102257000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1872, 1920, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 4992, 5413, 5760, 6240, 7488, 8320, 9360, 10826, 12480, 14976, 16239, 18720, 21652, 24960, 27065, 32478, 37440, 43304, 48717, 54130, 64956, 70369, 74880, 81195, 86608, 97434, 108260, 129912, 140738, 162390, 173216, 194868, 211107, 216520, 243585, 259824, 281476, 324780, 346432, 351845, 389736, 422214, 433040, 487170, 519648, 562952, 633321, 649560, 692864, 703690, 779472, 844428, 866080, 974340, 1039296, 1055535, 1125904, 1266642, 1299120, 1407380, 1558944, 1688856, 1732160, 1948680, 2078592, 2111070, 2251808, 2533284, 2598240, 2814760, 3117888, 3166605, 3377712, 3464320, 3897360, 4222140, 4503616, 5066568, 5196480, 5629520, 6235776, 6333210, 6755424, 7794720, 8444280, 9007232, 10133136, 10392960, 11259040, 12666420, 13510848, 15589440, 16888560, 20266272, 22518080, 25332840, 27021696, 31178880, 33777120, 40532544, 45036160, 50665680, 67554240, 81065088, 101331360, 135108480, 202662720, 405325440]

約数ペア:

[(1, 405325440), (2, 202662720), (3, 135108480), (4, 101331360), (5, 81065088), (6, 67554240), (8, 50665680), (9, 45036160), (10, 40532544), (12, 33777120), (13, 31178880), (15, 27021696), (16, 25332840), (18, 22518080), (20, 20266272), (24, 16888560), (26, 15589440), (30, 13510848), (32, 12666420), (36, 11259040), (39, 10392960), (40, 10133136), (45, 9007232), (48, 8444280), (52, 7794720), (60, 6755424), (64, 6333210), (65, 6235776), (72, 5629520), (78, 5196480), (80, 5066568), (90, 4503616), (96, 4222140), (104, 3897360), (117, 3464320), (120, 3377712), (128, 3166605), (130, 3117888), (144, 2814760), (156, 2598240), (160, 2533284), (180, 2251808), (192, 2111070), (195, 2078592), (208, 1948680), (234, 1732160), (240, 1688856), (260, 1558944), (288, 1407380), (312, 1299120), (320, 1266642), (360, 1125904), (384, 1055535), (390, 1039296), (416, 974340), (468, 866080), (480, 844428), (520, 779472), (576, 703690), (585, 692864), (624, 649560), (640, 633321), (720, 562952), (780, 519648), (832, 487170), (936, 433040), (960, 422214), (1040, 389736), (1152, 351845), (1170, 346432), (1248, 324780), (1440, 281476), (1560, 259824), (1664, 243585), (1872, 216520), (1920, 211107), (2080, 194868), (2340, 173216), (2496, 162390), (2880, 140738), (3120, 129912), (3744, 108260), (4160, 97434), (4680, 86608), (4992, 81195), (5413, 74880), (5760, 70369), (6240, 64956), (7488, 54130), (8320, 48717), (9360, 43304), (10826, 37440), (12480, 32478), (14976, 27065), (16239, 24960), (18720, 21652)]