163781280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{673}}^1$

素因数の和:720

約数の個数: 216

約数和(自身を含む): 606102588

約数和(自身を除く): 442321308

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, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 585, 624, 673, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1248, 1346, 1352, 1440, 1521, 1560, 1690, 1872, 2019, 2028, 2080, 2340, 2535, 2692, 2704, 3042, 3120, 3365, 3380, 3744, 4038, 4056, 4680, 5070, 5384, 5408, 6057, 6084, 6240, 6730, 6760, 7605, 8076, 8112, 8749, 9360, 10095, 10140, 10768, 12114, 12168, 13460, 13520, 15210, 16152, 16224, 17498, 18720, 20190, 20280, 21536, 24228, 24336, 26247, 26920, 27040, 30285, 30420, 32304, 34996, 40380, 40560, 43745, 48456, 48672, 52494, 53840, 60570, 60840, 64608, 69992, 78741, 80760, 81120, 87490, 96912, 104988, 107680, 113737, 121140, 121680, 131235, 139984, 157482, 161520, 174980, 193824, 209976, 227474, 242280, 243360, 262470, 279968, 314964, 323040, 341211, 349960, 393705, 419952, 454948, 484560, 524940, 568685, 629928, 682422, 699920, 787410, 839904, 909896, 969120, 1023633, 1049880, 1137370, 1259856, 1364844, 1399840, 1574820, 1706055, 1819792, 2047266, 2099760, 2274740, 2519712, 2729688, 3149640, 3412110, 3639584, 4094532, 4199520, 4549480, 5118165, 5459376, 6299280, 6824220, 8189064, 9098960, 10236330, 10918752, 12598560, 13648440, 16378128, 18197920, 20472660, 27296880, 32756256, 40945320, 54593760, 81890640, 163781280]

約数ペア:

[(1, 163781280), (2, 81890640), (3, 54593760), (4, 40945320), (5, 32756256), (6, 27296880), (8, 20472660), (9, 18197920), (10, 16378128), (12, 13648440), (13, 12598560), (15, 10918752), (16, 10236330), (18, 9098960), (20, 8189064), (24, 6824220), (26, 6299280), (30, 5459376), (32, 5118165), (36, 4549480), (39, 4199520), (40, 4094532), (45, 3639584), (48, 3412110), (52, 3149640), (60, 2729688), (65, 2519712), (72, 2274740), (78, 2099760), (80, 2047266), (90, 1819792), (96, 1706055), (104, 1574820), (117, 1399840), (120, 1364844), (130, 1259856), (144, 1137370), (156, 1049880), (160, 1023633), (169, 969120), (180, 909896), (195, 839904), (208, 787410), (234, 699920), (240, 682422), (260, 629928), (288, 568685), (312, 524940), (338, 484560), (360, 454948), (390, 419952), (416, 393705), (468, 349960), (480, 341211), (507, 323040), (520, 314964), (585, 279968), (624, 262470), (673, 243360), (676, 242280), (720, 227474), (780, 209976), (845, 193824), (936, 174980), (1014, 161520), (1040, 157482), (1170, 139984), (1248, 131235), (1346, 121680), (1352, 121140), (1440, 113737), (1521, 107680), (1560, 104988), (1690, 96912), (1872, 87490), (2019, 81120), (2028, 80760), (2080, 78741), (2340, 69992), (2535, 64608), (2692, 60840), (2704, 60570), (3042, 53840), (3120, 52494), (3365, 48672), (3380, 48456), (3744, 43745), (4038, 40560), (4056, 40380), (4680, 34996), (5070, 32304), (5384, 30420), (5408, 30285), (6057, 27040), (6084, 26920), (6240, 26247), (6730, 24336), (6760, 24228), (7605, 21536), (8076, 20280), (8112, 20190), (8749, 18720), (9360, 17498), (10095, 16224), (10140, 16152), (10768, 15210), (12114, 13520), (12168, 13460)]