2157424640

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 208

約数和(自身を含む): 6015470400

約数和(自身を除く): 3858045760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 128, 140, 149, 160, 202, 224, 256, 280, 298, 320, 404, 448, 505, 512, 560, 596, 640, 707, 745, 808, 896, 1010, 1024, 1043, 1120, 1192, 1280, 1414, 1490, 1616, 1792, 2020, 2048, 2086, 2240, 2384, 2560, 2828, 2980, 3232, 3535, 3584, 4040, 4096, 4172, 4480, 4768, 5120, 5215, 5656, 5960, 6464, 7070, 7168, 8080, 8344, 8960, 9536, 10240, 10430, 11312, 11920, 12928, 14140, 14336, 15049, 16160, 16688, 17920, 19072, 20480, 20860, 22624, 23840, 25856, 28280, 28672, 30098, 32320, 33376, 35840, 38144, 41720, 45248, 47680, 51712, 56560, 60196, 64640, 66752, 71680, 75245, 76288, 83440, 90496, 95360, 103424, 105343, 113120, 120392, 129280, 133504, 143360, 150490, 152576, 166880, 180992, 190720, 206848, 210686, 226240, 240784, 258560, 267008, 300980, 305152, 333760, 361984, 381440, 413696, 421372, 452480, 481568, 517120, 526715, 534016, 601960, 610304, 667520, 723968, 762880, 842744, 904960, 963136, 1034240, 1053430, 1068032, 1203920, 1335040, 1447936, 1525760, 1685488, 1809920, 1926272, 2068480, 2106860, 2136064, 2407840, 2670080, 2895872, 3051520, 3370976, 3619840, 3852544, 4213720, 4272128, 4815680, 5340160, 6741952, 7239680, 7705088, 8427440, 9631360, 10680320, 13483904, 14479360, 15410176, 16854880, 19262720, 21360640, 26967808, 30820352, 33709760, 38525440, 53935616, 61640704, 67419520, 77050880, 107871232, 134839040, 154101760, 215742464, 269678080, 308203520, 431484928, 539356160, 1078712320, 2157424640]

約数ペア:

[(1, 2157424640), (2, 1078712320), (4, 539356160), (5, 431484928), (7, 308203520), (8, 269678080), (10, 215742464), (14, 154101760), (16, 134839040), (20, 107871232), (28, 77050880), (32, 67419520), (35, 61640704), (40, 53935616), (56, 38525440), (64, 33709760), (70, 30820352), (80, 26967808), (101, 21360640), (112, 19262720), (128, 16854880), (140, 15410176), (149, 14479360), (160, 13483904), (202, 10680320), (224, 9631360), (256, 8427440), (280, 7705088), (298, 7239680), (320, 6741952), (404, 5340160), (448, 4815680), (505, 4272128), (512, 4213720), (560, 3852544), (596, 3619840), (640, 3370976), (707, 3051520), (745, 2895872), (808, 2670080), (896, 2407840), (1010, 2136064), (1024, 2106860), (1043, 2068480), (1120, 1926272), (1192, 1809920), (1280, 1685488), (1414, 1525760), (1490, 1447936), (1616, 1335040), (1792, 1203920), (2020, 1068032), (2048, 1053430), (2086, 1034240), (2240, 963136), (2384, 904960), (2560, 842744), (2828, 762880), (2980, 723968), (3232, 667520), (3535, 610304), (3584, 601960), (4040, 534016), (4096, 526715), (4172, 517120), (4480, 481568), (4768, 452480), (5120, 421372), (5215, 413696), (5656, 381440), (5960, 361984), (6464, 333760), (7070, 305152), (7168, 300980), (8080, 267008), (8344, 258560), (8960, 240784), (9536, 226240), (10240, 210686), (10430, 206848), (11312, 190720), (11920, 180992), (12928, 166880), (14140, 152576), (14336, 150490), (15049, 143360), (16160, 133504), (16688, 129280), (17920, 120392), (19072, 113120), (20480, 105343), (20860, 103424), (22624, 95360), (23840, 90496), (25856, 83440), (28280, 76288), (28672, 75245), (30098, 71680), (32320, 66752), (33376, 64640), (35840, 60196), (38144, 56560), (41720, 51712), (45248, 47680)]