161279040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12923}}^1$

素因数の和:12956

約数の個数: 112

約数和(自身を含む): 551492928

約数和(自身を除く): 390213888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 12923, 25846, 38769, 51692, 64615, 77538, 103384, 129230, 155076, 167999, 193845, 206768, 258460, 310152, 335998, 387690, 413536, 503997, 516920, 620304, 671996, 775380, 827072, 839995, 1007994, 1033840, 1240608, 1343992, 1550760, 1679990, 2015988, 2067680, 2481216, 2519985, 2687984, 3101520, 3359980, 4031976, 4135360, 5039970, 5375968, 6203040, 6719960, 8063952, 10079940, 10751936, 12406080, 13439920, 16127904, 20159880, 26879840, 32255808, 40319760, 53759680, 80639520, 161279040]

約数ペア:

[(1, 161279040), (2, 80639520), (3, 53759680), (4, 40319760), (5, 32255808), (6, 26879840), (8, 20159880), (10, 16127904), (12, 13439920), (13, 12406080), (15, 10751936), (16, 10079940), (20, 8063952), (24, 6719960), (26, 6203040), (30, 5375968), (32, 5039970), (39, 4135360), (40, 4031976), (48, 3359980), (52, 3101520), (60, 2687984), (64, 2519985), (65, 2481216), (78, 2067680), (80, 2015988), (96, 1679990), (104, 1550760), (120, 1343992), (130, 1240608), (156, 1033840), (160, 1007994), (192, 839995), (195, 827072), (208, 775380), (240, 671996), (260, 620304), (312, 516920), (320, 503997), (390, 413536), (416, 387690), (480, 335998), (520, 310152), (624, 258460), (780, 206768), (832, 193845), (960, 167999), (1040, 155076), (1248, 129230), (1560, 103384), (2080, 77538), (2496, 64615), (3120, 51692), (4160, 38769), (6240, 25846), (12480, 12923)]