1958128640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 264

約数和(自身を含む): 5322331008

約数和(自身を除く): 3364202368

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, 512, 520, 584, 620, 640, 676, 730, 806, 832, 845, 949, 992, 1024, 1040, 1168, 1240, 1280, 1352, 1460, 1612, 1664, 1690, 1898, 1984, 2015, 2080, 2263, 2336, 2480, 2560, 2704, 2920, 3224, 3328, 3380, 3796, 3968, 4030, 4160, 4526, 4672, 4745, 4960, 5120, 5239, 5408, 5840, 6448, 6656, 6760, 7592, 7936, 8060, 8320, 9052, 9344, 9490, 9920, 10478, 10816, 11315, 11680, 12337, 12896, 13312, 13520, 15184, 15872, 16120, 16640, 18104, 18688, 18980, 19840, 20956, 21632, 22630, 23360, 24674, 25792, 26195, 27040, 29419, 30368, 31744, 32240, 33280, 36208, 37376, 37960, 39680, 41912, 43264, 45260, 46720, 49348, 51584, 52390, 54080, 58838, 60736, 61685, 64480, 66560, 72416, 74752, 75920, 79360, 83824, 86528, 90520, 93440, 98696, 103168, 104780, 108160, 117676, 121472, 123370, 128960, 144832, 147095, 151840, 158720, 167648, 173056, 181040, 186880, 197392, 206336, 209560, 216320, 235352, 242944, 246740, 257920, 289664, 294190, 303680, 335296, 362080, 373760, 382447, 394784, 412672, 419120, 432640, 470704, 485888, 493480, 515840, 579328, 588380, 607360, 670592, 724160, 764894, 789568, 838240, 865280, 941408, 971776, 986960, 1031680, 1158656, 1176760, 1214720, 1341184, 1448320, 1529788, 1579136, 1676480, 1882816, 1912235, 1973920, 2063360, 2317312, 2353520, 2429440, 2682368, 2896640, 3059576, 3158272, 3352960, 3765632, 3824470, 3947840, 4707040, 4858880, 5364736, 5793280, 6119152, 6316544, 6705920, 7531264, 7648940, 7895680, 9414080, 11586560, 12238304, 12633088, 13411840, 15062528, 15297880, 15791360, 18828160, 24476608, 26823680, 30125056, 30595760, 31582720, 37656320, 48953216, 61191520, 63165440, 75312640, 97906432, 122383040, 150625280, 195812864, 244766080, 391625728, 489532160, 979064320, 1958128640]

約数ペア:

[(1, 1958128640), (2, 979064320), (4, 489532160), (5, 391625728), (8, 244766080), (10, 195812864), (13, 150625280), (16, 122383040), (20, 97906432), (26, 75312640), (31, 63165440), (32, 61191520), (40, 48953216), (52, 37656320), (62, 31582720), (64, 30595760), (65, 30125056), (73, 26823680), (80, 24476608), (104, 18828160), (124, 15791360), (128, 15297880), (130, 15062528), (146, 13411840), (155, 12633088), (160, 12238304), (169, 11586560), (208, 9414080), (248, 7895680), (256, 7648940), (260, 7531264), (292, 6705920), (310, 6316544), (320, 6119152), (338, 5793280), (365, 5364736), (403, 4858880), (416, 4707040), (496, 3947840), (512, 3824470), (520, 3765632), (584, 3352960), (620, 3158272), (640, 3059576), (676, 2896640), (730, 2682368), (806, 2429440), (832, 2353520), (845, 2317312), (949, 2063360), (992, 1973920), (1024, 1912235), (1040, 1882816), (1168, 1676480), (1240, 1579136), (1280, 1529788), (1352, 1448320), (1460, 1341184), (1612, 1214720), (1664, 1176760), (1690, 1158656), (1898, 1031680), (1984, 986960), (2015, 971776), (2080, 941408), (2263, 865280), (2336, 838240), (2480, 789568), (2560, 764894), (2704, 724160), (2920, 670592), (3224, 607360), (3328, 588380), (3380, 579328), (3796, 515840), (3968, 493480), (4030, 485888), (4160, 470704), (4526, 432640), (4672, 419120), (4745, 412672), (4960, 394784), (5120, 382447), (5239, 373760), (5408, 362080), (5840, 335296), (6448, 303680), (6656, 294190), (6760, 289664), (7592, 257920), (7936, 246740), (8060, 242944), (8320, 235352), (9052, 216320), (9344, 209560), (9490, 206336), (9920, 197392), (10478, 186880), (10816, 181040), (11315, 173056), (11680, 167648), (12337, 158720), (12896, 151840), (13312, 147095), (13520, 144832), (15184, 128960), (15872, 123370), (16120, 121472), (16640, 117676), (18104, 108160), (18688, 104780), (18980, 103168), (19840, 98696), (20956, 93440), (21632, 90520), (22630, 86528), (23360, 83824), (24674, 79360), (25792, 75920), (26195, 74752), (27040, 72416), (29419, 66560), (30368, 64480), (31744, 61685), (32240, 60736), (33280, 58838), (36208, 54080), (37376, 52390), (37960, 51584), (39680, 49348), (41912, 46720), (43264, 45260)]