1857281920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 256

約数和(自身を含む): 5209344000

約数和(自身を除く): 3352062080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 128, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 320, 379, 380, 403, 416, 494, 496, 520, 589, 608, 620, 640, 758, 760, 806, 832, 988, 992, 1040, 1178, 1216, 1235, 1240, 1516, 1520, 1612, 1664, 1895, 1976, 1984, 2015, 2080, 2356, 2432, 2470, 2480, 2945, 3032, 3040, 3224, 3790, 3952, 3968, 4030, 4160, 4712, 4927, 4940, 4960, 5890, 6064, 6080, 6448, 7201, 7580, 7657, 7904, 8060, 8320, 9424, 9854, 9880, 9920, 11749, 11780, 12128, 12160, 12896, 14402, 15160, 15314, 15808, 16120, 18848, 19708, 19760, 19840, 23498, 23560, 24256, 24635, 25792, 28804, 30320, 30628, 31616, 32240, 36005, 37696, 38285, 39416, 39520, 46996, 47120, 48512, 49270, 51584, 57608, 58745, 60640, 61256, 64480, 72010, 75392, 76570, 78832, 79040, 93613, 93992, 94240, 98540, 115216, 117490, 121280, 122512, 128960, 144020, 152737, 153140, 157664, 158080, 187226, 187984, 188480, 197080, 223231, 230432, 234980, 242560, 245024, 257920, 288040, 305474, 306280, 315328, 374452, 375968, 376960, 394160, 446462, 460864, 468065, 469960, 490048, 576080, 610948, 612560, 630656, 748904, 751936, 763685, 788320, 892924, 921728, 936130, 939920, 980096, 1116155, 1152160, 1221896, 1225120, 1497808, 1503872, 1527370, 1576640, 1785848, 1872260, 1879840, 2232310, 2304320, 2443792, 2450240, 2902003, 2995616, 3054740, 3153280, 3571696, 3744520, 3759680, 4464620, 4608640, 4887584, 4900480, 5804006, 5991232, 6109480, 7143392, 7489040, 7519360, 8929240, 9775168, 11608012, 11982464, 12218960, 14286784, 14510015, 14978080, 17858480, 19550336, 23216024, 24437920, 28573568, 29020030, 29956160, 35716960, 46432048, 48875840, 58040060, 59912320, 71433920, 92864096, 97751680, 116080120, 142867840, 185728192, 232160240, 371456384, 464320480, 928640960, 1857281920]

約数ペア:

[(1, 1857281920), (2, 928640960), (4, 464320480), (5, 371456384), (8, 232160240), (10, 185728192), (13, 142867840), (16, 116080120), (19, 97751680), (20, 92864096), (26, 71433920), (31, 59912320), (32, 58040060), (38, 48875840), (40, 46432048), (52, 35716960), (62, 29956160), (64, 29020030), (65, 28573568), (76, 24437920), (80, 23216024), (95, 19550336), (104, 17858480), (124, 14978080), (128, 14510015), (130, 14286784), (152, 12218960), (155, 11982464), (160, 11608012), (190, 9775168), (208, 8929240), (247, 7519360), (248, 7489040), (260, 7143392), (304, 6109480), (310, 5991232), (320, 5804006), (379, 4900480), (380, 4887584), (403, 4608640), (416, 4464620), (494, 3759680), (496, 3744520), (520, 3571696), (589, 3153280), (608, 3054740), (620, 2995616), (640, 2902003), (758, 2450240), (760, 2443792), (806, 2304320), (832, 2232310), (988, 1879840), (992, 1872260), (1040, 1785848), (1178, 1576640), (1216, 1527370), (1235, 1503872), (1240, 1497808), (1516, 1225120), (1520, 1221896), (1612, 1152160), (1664, 1116155), (1895, 980096), (1976, 939920), (1984, 936130), (2015, 921728), (2080, 892924), (2356, 788320), (2432, 763685), (2470, 751936), (2480, 748904), (2945, 630656), (3032, 612560), (3040, 610948), (3224, 576080), (3790, 490048), (3952, 469960), (3968, 468065), (4030, 460864), (4160, 446462), (4712, 394160), (4927, 376960), (4940, 375968), (4960, 374452), (5890, 315328), (6064, 306280), (6080, 305474), (6448, 288040), (7201, 257920), (7580, 245024), (7657, 242560), (7904, 234980), (8060, 230432), (8320, 223231), (9424, 197080), (9854, 188480), (9880, 187984), (9920, 187226), (11749, 158080), (11780, 157664), (12128, 153140), (12160, 152737), (12896, 144020), (14402, 128960), (15160, 122512), (15314, 121280), (15808, 117490), (16120, 115216), (18848, 98540), (19708, 94240), (19760, 93992), (19840, 93613), (23498, 79040), (23560, 78832), (24256, 76570), (24635, 75392), (25792, 72010), (28804, 64480), (30320, 61256), (30628, 60640), (31616, 58745), (32240, 57608), (36005, 51584), (37696, 49270), (38285, 48512), (39416, 47120), (39520, 46996)]