68605680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 160

約数和(自身を含む): 249984000

約数和(自身を除く): 181378320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 624, 660, 715, 780, 858, 880, 1040, 1144, 1320, 1430, 1560, 1716, 1999, 2145, 2288, 2640, 2860, 3120, 3432, 3998, 4290, 5720, 5997, 6864, 7996, 8580, 9995, 11440, 11994, 15992, 17160, 19990, 21989, 23988, 25987, 29985, 31984, 34320, 39980, 43978, 47976, 51974, 59970, 65967, 77961, 79960, 87956, 95952, 103948, 109945, 119940, 129935, 131934, 155922, 159920, 175912, 207896, 219890, 239880, 259870, 263868, 285857, 311844, 329835, 351824, 389805, 415792, 439780, 479760, 519740, 527736, 571714, 623688, 659670, 779610, 857571, 879560, 1039480, 1055472, 1143428, 1247376, 1319340, 1429285, 1559220, 1715142, 1759120, 2078960, 2286856, 2638680, 2858570, 3118440, 3430284, 4287855, 4573712, 5277360, 5717140, 6236880, 6860568, 8575710, 11434280, 13721136, 17151420, 22868560, 34302840, 68605680]

約数ペア:

[(1, 68605680), (2, 34302840), (3, 22868560), (4, 17151420), (5, 13721136), (6, 11434280), (8, 8575710), (10, 6860568), (11, 6236880), (12, 5717140), (13, 5277360), (15, 4573712), (16, 4287855), (20, 3430284), (22, 3118440), (24, 2858570), (26, 2638680), (30, 2286856), (33, 2078960), (39, 1759120), (40, 1715142), (44, 1559220), (48, 1429285), (52, 1319340), (55, 1247376), (60, 1143428), (65, 1055472), (66, 1039480), (78, 879560), (80, 857571), (88, 779610), (104, 659670), (110, 623688), (120, 571714), (130, 527736), (132, 519740), (143, 479760), (156, 439780), (165, 415792), (176, 389805), (195, 351824), (208, 329835), (220, 311844), (240, 285857), (260, 263868), (264, 259870), (286, 239880), (312, 219890), (330, 207896), (390, 175912), (429, 159920), (440, 155922), (520, 131934), (528, 129935), (572, 119940), (624, 109945), (660, 103948), (715, 95952), (780, 87956), (858, 79960), (880, 77961), (1040, 65967), (1144, 59970), (1320, 51974), (1430, 47976), (1560, 43978), (1716, 39980), (1999, 34320), (2145, 31984), (2288, 29985), (2640, 25987), (2860, 23988), (3120, 21989), (3432, 19990), (3998, 17160), (4290, 15992), (5720, 11994), (5997, 11440), (6864, 9995), (7996, 8580)]