489532160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 216

約数和(自身を含む): 1328632704

約数和(自身を除く): 839100544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 73, 80, 104, 124, 128, 130, 146, 155, 160, 169, 208, 248, 256, 260, 292, 310, 320, 338, 365, 403, 416, 496, 520, 584, 620, 640, 676, 730, 806, 832, 845, 949, 992, 1040, 1168, 1240, 1280, 1352, 1460, 1612, 1664, 1690, 1898, 1984, 2015, 2080, 2263, 2336, 2480, 2704, 2920, 3224, 3328, 3380, 3796, 3968, 4030, 4160, 4526, 4672, 4745, 4960, 5239, 5408, 5840, 6448, 6760, 7592, 7936, 8060, 8320, 9052, 9344, 9490, 9920, 10478, 10816, 11315, 11680, 12337, 12896, 13520, 15184, 16120, 16640, 18104, 18688, 18980, 19840, 20956, 21632, 22630, 23360, 24674, 25792, 26195, 27040, 29419, 30368, 32240, 36208, 37960, 39680, 41912, 43264, 45260, 46720, 49348, 51584, 52390, 54080, 58838, 60736, 61685, 64480, 72416, 75920, 83824, 90520, 93440, 98696, 103168, 104780, 108160, 117676, 121472, 123370, 128960, 144832, 147095, 151840, 167648, 181040, 197392, 209560, 216320, 235352, 242944, 246740, 257920, 289664, 294190, 303680, 335296, 362080, 382447, 394784, 419120, 470704, 493480, 515840, 579328, 588380, 607360, 670592, 724160, 764894, 789568, 838240, 941408, 986960, 1176760, 1214720, 1341184, 1448320, 1529788, 1579136, 1676480, 1882816, 1912235, 1973920, 2353520, 2896640, 3059576, 3158272, 3352960, 3765632, 3824470, 3947840, 4707040, 6119152, 6705920, 7531264, 7648940, 7895680, 9414080, 12238304, 15297880, 15791360, 18828160, 24476608, 30595760, 37656320, 48953216, 61191520, 97906432, 122383040, 244766080, 489532160]

約数ペア:

[(1, 489532160), (2, 244766080), (4, 122383040), (5, 97906432), (8, 61191520), (10, 48953216), (13, 37656320), (16, 30595760), (20, 24476608), (26, 18828160), (31, 15791360), (32, 15297880), (40, 12238304), (52, 9414080), (62, 7895680), (64, 7648940), (65, 7531264), (73, 6705920), (80, 6119152), (104, 4707040), (124, 3947840), (128, 3824470), (130, 3765632), (146, 3352960), (155, 3158272), (160, 3059576), (169, 2896640), (208, 2353520), (248, 1973920), (256, 1912235), (260, 1882816), (292, 1676480), (310, 1579136), (320, 1529788), (338, 1448320), (365, 1341184), (403, 1214720), (416, 1176760), (496, 986960), (520, 941408), (584, 838240), (620, 789568), (640, 764894), (676, 724160), (730, 670592), (806, 607360), (832, 588380), (845, 579328), (949, 515840), (992, 493480), (1040, 470704), (1168, 419120), (1240, 394784), (1280, 382447), (1352, 362080), (1460, 335296), (1612, 303680), (1664, 294190), (1690, 289664), (1898, 257920), (1984, 246740), (2015, 242944), (2080, 235352), (2263, 216320), (2336, 209560), (2480, 197392), (2704, 181040), (2920, 167648), (3224, 151840), (3328, 147095), (3380, 144832), (3796, 128960), (3968, 123370), (4030, 121472), (4160, 117676), (4526, 108160), (4672, 104780), (4745, 103168), (4960, 98696), (5239, 93440), (5408, 90520), (5840, 83824), (6448, 75920), (6760, 72416), (7592, 64480), (7936, 61685), (8060, 60736), (8320, 58838), (9052, 54080), (9344, 52390), (9490, 51584), (9920, 49348), (10478, 46720), (10816, 45260), (11315, 43264), (11680, 41912), (12337, 39680), (12896, 37960), (13520, 36208), (15184, 32240), (16120, 30368), (16640, 29419), (18104, 27040), (18688, 26195), (18980, 25792), (19840, 24674), (20956, 23360), (21632, 22630)]