1721530720

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 384

約数和(自身を含む): 5419008000

約数和(自身を除く): 3697477280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 49, 52, 56, 65, 70, 76, 80, 91, 95, 98, 104, 112, 127, 130, 133, 140, 152, 160, 182, 190, 196, 208, 224, 245, 247, 254, 260, 266, 280, 304, 343, 364, 380, 392, 416, 455, 490, 494, 508, 520, 532, 560, 608, 635, 637, 665, 686, 728, 760, 784, 889, 910, 931, 980, 988, 1016, 1040, 1064, 1120, 1235, 1270, 1274, 1330, 1372, 1456, 1520, 1568, 1651, 1715, 1729, 1778, 1820, 1862, 1960, 1976, 2032, 2080, 2128, 2413, 2470, 2540, 2548, 2660, 2744, 2912, 3040, 3185, 3302, 3430, 3458, 3556, 3640, 3724, 3920, 3952, 4064, 4256, 4445, 4459, 4655, 4826, 4940, 5080, 5096, 5320, 5488, 6223, 6370, 6517, 6604, 6860, 6916, 7112, 7280, 7448, 7840, 7904, 8255, 8645, 8890, 8918, 9310, 9652, 9880, 10160, 10192, 10640, 10976, 11557, 12065, 12103, 12446, 12740, 13034, 13208, 13720, 13832, 14224, 14560, 14896, 16510, 16891, 17290, 17780, 17836, 18620, 19304, 19760, 20320, 20384, 21280, 22295, 23114, 24130, 24206, 24892, 25480, 26068, 26416, 27440, 27664, 28448, 29792, 31115, 31369, 32585, 33020, 33782, 34580, 35560, 35672, 37240, 38608, 39520, 43561, 44590, 46228, 48260, 48412, 49784, 50960, 52136, 52832, 54880, 55328, 57785, 60515, 62230, 62738, 65170, 66040, 67564, 69160, 71120, 71344, 74480, 77216, 80899, 84455, 84721, 87122, 89180, 92456, 96520, 96824, 99568, 101920, 104272, 115570, 118237, 121030, 124460, 125476, 130340, 132080, 135128, 138320, 142240, 142688, 148960, 156845, 161798, 168910, 169442, 174244, 178360, 184912, 193040, 193648, 199136, 208544, 217805, 219583, 231140, 236474, 242060, 248920, 250952, 260680, 264160, 270256, 276640, 313690, 323596, 337820, 338884, 348488, 356720, 369824, 386080, 387296, 404495, 423605, 435610, 439166, 462280, 472948, 484120, 497840, 501904, 521360, 540512, 566293, 591185, 627380, 647192, 675640, 677768, 696976, 713440, 808990, 827659, 847210, 871220, 878332, 924560, 945896, 968240, 995680, 1003808, 1042720, 1097915, 1132586, 1182370, 1254760, 1294384, 1351280, 1355536, 1393952, 1537081, 1617980, 1655318, 1694420, 1742440, 1756664, 1849120, 1891792, 1936480, 2195830, 2265172, 2364740, 2509520, 2588768, 2702560, 2711072, 2831465, 3074162, 3235960, 3310636, 3388840, 3484880, 3513328, 3783584, 4138295, 4391660, 4530344, 4729480, 5019040, 5662930, 6148324, 6471920, 6621272, 6777680, 6969760, 7026656, 7685405, 8276590, 8783320, 9060688, 9458960, 10759567, 11325860, 12296648, 12943840, 13242544, 13555360, 15370810, 16553180, 17566640, 18121376, 18917920, 21519134, 22651720, 24593296, 26485088, 30741620, 33106360, 35133280, 43038268, 45303440, 49186592, 53797835, 61483240, 66212720, 86076536, 90606880, 107595670, 122966480, 132425440, 172153072, 215191340, 245932960, 344306144, 430382680, 860765360, 1721530720]

約数ペア:

[(1, 1721530720), (2, 860765360), (4, 430382680), (5, 344306144), (7, 245932960), (8, 215191340), (10, 172153072), (13, 132425440), (14, 122966480), (16, 107595670), (19, 90606880), (20, 86076536), (26, 66212720), (28, 61483240), (32, 53797835), (35, 49186592), (38, 45303440), (40, 43038268), (49, 35133280), (52, 33106360), (56, 30741620), (65, 26485088), (70, 24593296), (76, 22651720), (80, 21519134), (91, 18917920), (95, 18121376), (98, 17566640), (104, 16553180), (112, 15370810), (127, 13555360), (130, 13242544), (133, 12943840), (140, 12296648), (152, 11325860), (160, 10759567), (182, 9458960), (190, 9060688), (196, 8783320), (208, 8276590), (224, 7685405), (245, 7026656), (247, 6969760), (254, 6777680), (260, 6621272), (266, 6471920), (280, 6148324), (304, 5662930), (343, 5019040), (364, 4729480), (380, 4530344), (392, 4391660), (416, 4138295), (455, 3783584), (490, 3513328), (494, 3484880), (508, 3388840), (520, 3310636), (532, 3235960), (560, 3074162), (608, 2831465), (635, 2711072), (637, 2702560), (665, 2588768), (686, 2509520), (728, 2364740), (760, 2265172), (784, 2195830), (889, 1936480), (910, 1891792), (931, 1849120), (980, 1756664), (988, 1742440), (1016, 1694420), (1040, 1655318), (1064, 1617980), (1120, 1537081), (1235, 1393952), (1270, 1355536), (1274, 1351280), (1330, 1294384), (1372, 1254760), (1456, 1182370), (1520, 1132586), (1568, 1097915), (1651, 1042720), (1715, 1003808), (1729, 995680), (1778, 968240), (1820, 945896), (1862, 924560), (1960, 878332), (1976, 871220), (2032, 847210), (2080, 827659), (2128, 808990), (2413, 713440), (2470, 696976), (2540, 677768), (2548, 675640), (2660, 647192), (2744, 627380), (2912, 591185), (3040, 566293), (3185, 540512), (3302, 521360), (3430, 501904), (3458, 497840), (3556, 484120), (3640, 472948), (3724, 462280), (3920, 439166), (3952, 435610), (4064, 423605), (4256, 404495), (4445, 387296), (4459, 386080), (4655, 369824), (4826, 356720), (4940, 348488), (5080, 338884), (5096, 337820), (5320, 323596), (5488, 313690), (6223, 276640), (6370, 270256), (6517, 264160), (6604, 260680), (6860, 250952), (6916, 248920), (7112, 242060), (7280, 236474), (7448, 231140), (7840, 219583), (7904, 217805), (8255, 208544), (8645, 199136), (8890, 193648), (8918, 193040), (9310, 184912), (9652, 178360), (9880, 174244), (10160, 169442), (10192, 168910), (10640, 161798), (10976, 156845), (11557, 148960), (12065, 142688), (12103, 142240), (12446, 138320), (12740, 135128), (13034, 132080), (13208, 130340), (13720, 125476), (13832, 124460), (14224, 121030), (14560, 118237), (14896, 115570), (16510, 104272), (16891, 101920), (17290, 99568), (17780, 96824), (17836, 96520), (18620, 92456), (19304, 89180), (19760, 87122), (20320, 84721), (20384, 84455), (21280, 80899), (22295, 77216), (23114, 74480), (24130, 71344), (24206, 71120), (24892, 69160), (25480, 67564), (26068, 66040), (26416, 65170), (27440, 62738), (27664, 62230), (28448, 60515), (29792, 57785), (31115, 55328), (31369, 54880), (32585, 52832), (33020, 52136), (33782, 50960), (34580, 49784), (35560, 48412), (35672, 48260), (37240, 46228), (38608, 44590), (39520, 43561)]