1720680080

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:966

約数の個数: 160

約数和(自身を含む): 4734816000

約数和(自身を除く): 3014135920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 343, 365, 392, 490, 511, 560, 584, 686, 730, 784, 859, 980, 1022, 1168, 1372, 1460, 1715, 1718, 1960, 2044, 2555, 2744, 2920, 3430, 3436, 3577, 3920, 4088, 4295, 5110, 5488, 5840, 6013, 6860, 6872, 7154, 8176, 8590, 10220, 12026, 13720, 13744, 14308, 17180, 17885, 20440, 24052, 25039, 27440, 28616, 30065, 34360, 35770, 40880, 42091, 48104, 50078, 57232, 60130, 62707, 68720, 71540, 84182, 96208, 100156, 120260, 125195, 125414, 143080, 168364, 200312, 210455, 240520, 250390, 250828, 286160, 294637, 313535, 336728, 400624, 420910, 438949, 481040, 500780, 501656, 589274, 627070, 673456, 841820, 877898, 1001560, 1003312, 1178548, 1254140, 1473185, 1683640, 1755796, 2003120, 2194745, 2357096, 2508280, 2946370, 3072643, 3367280, 3511592, 4389490, 4714192, 5016560, 5892740, 6145286, 7023184, 8778980, 11785480, 12290572, 15363215, 17557960, 21508501, 23570960, 24581144, 30726430, 35115920, 43017002, 49162288, 61452860, 86034004, 107542505, 122905720, 172068008, 215085010, 245811440, 344136016, 430170020, 860340040, 1720680080]

約数ペア:

[(1, 1720680080), (2, 860340040), (4, 430170020), (5, 344136016), (7, 245811440), (8, 215085010), (10, 172068008), (14, 122905720), (16, 107542505), (20, 86034004), (28, 61452860), (35, 49162288), (40, 43017002), (49, 35115920), (56, 30726430), (70, 24581144), (73, 23570960), (80, 21508501), (98, 17557960), (112, 15363215), (140, 12290572), (146, 11785480), (196, 8778980), (245, 7023184), (280, 6145286), (292, 5892740), (343, 5016560), (365, 4714192), (392, 4389490), (490, 3511592), (511, 3367280), (560, 3072643), (584, 2946370), (686, 2508280), (730, 2357096), (784, 2194745), (859, 2003120), (980, 1755796), (1022, 1683640), (1168, 1473185), (1372, 1254140), (1460, 1178548), (1715, 1003312), (1718, 1001560), (1960, 877898), (2044, 841820), (2555, 673456), (2744, 627070), (2920, 589274), (3430, 501656), (3436, 500780), (3577, 481040), (3920, 438949), (4088, 420910), (4295, 400624), (5110, 336728), (5488, 313535), (5840, 294637), (6013, 286160), (6860, 250828), (6872, 250390), (7154, 240520), (8176, 210455), (8590, 200312), (10220, 168364), (12026, 143080), (13720, 125414), (13744, 125195), (14308, 120260), (17180, 100156), (17885, 96208), (20440, 84182), (24052, 71540), (25039, 68720), (27440, 62707), (28616, 60130), (30065, 57232), (34360, 50078), (35770, 48104), (40880, 42091)]