20161618960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 320

約数和(自身を含む): 58821235200

約数和(自身を除く): 38659616240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 181, 190, 203, 232, 266, 280, 290, 304, 361, 362, 380, 406, 464, 532, 551, 560, 580, 665, 722, 724, 760, 812, 905, 1015, 1064, 1102, 1160, 1267, 1330, 1444, 1448, 1520, 1624, 1805, 1810, 2030, 2128, 2204, 2320, 2527, 2534, 2660, 2755, 2888, 2896, 3248, 3439, 3610, 3620, 3857, 4060, 4408, 5054, 5068, 5249, 5320, 5510, 5776, 6335, 6859, 6878, 7220, 7240, 7714, 8120, 8816, 10108, 10136, 10469, 10498, 10640, 11020, 12635, 12670, 13718, 13756, 14440, 14480, 15428, 16240, 17195, 19285, 20216, 20272, 20938, 20996, 22040, 24073, 25270, 25340, 26245, 27436, 27512, 28880, 30856, 34295, 34390, 36743, 38570, 40432, 41876, 41992, 44080, 48013, 48146, 50540, 50680, 52345, 52490, 54872, 55024, 61712, 65341, 68590, 68780, 73283, 73486, 77140, 83752, 83984, 96026, 96292, 99731, 101080, 101360, 104690, 104980, 109744, 120365, 130682, 137180, 137560, 146566, 146972, 154280, 167504, 183715, 192052, 192584, 198911, 199462, 202160, 209380, 209960, 240065, 240730, 261364, 274360, 275120, 293132, 293944, 308560, 326705, 366415, 367430, 384104, 385168, 397822, 398924, 418760, 419920, 457387, 480130, 481460, 498655, 522728, 548720, 586264, 587888, 653410, 698117, 732830, 734860, 768208, 795644, 797848, 837520, 914774, 960260, 962920, 994555, 997310, 1045456, 1172528, 1241479, 1306820, 1392377, 1396234, 1465660, 1469720, 1591288, 1595696, 1829548, 1894889, 1920520, 1925840, 1989110, 1994620, 2286935, 2482958, 2613640, 2784754, 2792468, 2931320, 2939440, 3182576, 3490585, 3659096, 3789778, 3841040, 3978220, 3989240, 4573870, 4965916, 5227280, 5569508, 5584936, 5862640, 6207395, 6961885, 6981170, 7318192, 7579556, 7956440, 7978480, 8690353, 9147740, 9474445, 9931832, 11139016, 11169872, 12414790, 13264223, 13923770, 13962340, 15159112, 15912880, 17380706, 18295480, 18948890, 19863664, 22278032, 24829580, 26528446, 27847540, 27924680, 30318224, 34761412, 36002891, 36590960, 37897780, 43451765, 49659160, 53056892, 55695080, 55849360, 66321115, 69522824, 72005782, 75795560, 86903530, 99318320, 106113784, 111390160, 132642230, 139045648, 144011564, 151591120, 173807060, 180014455, 212227568, 252020237, 265284460, 288023128, 347614120, 360028910, 504040474, 530568920, 576046256, 695228240, 720057820, 1008080948, 1061137840, 1260101185, 1440115640, 2016161896, 2520202370, 2880231280, 4032323792, 5040404740, 10080809480, 20161618960]

約数ペア:

[(1, 20161618960), (2, 10080809480), (4, 5040404740), (5, 4032323792), (7, 2880231280), (8, 2520202370), (10, 2016161896), (14, 1440115640), (16, 1260101185), (19, 1061137840), (20, 1008080948), (28, 720057820), (29, 695228240), (35, 576046256), (38, 530568920), (40, 504040474), (56, 360028910), (58, 347614120), (70, 288023128), (76, 265284460), (80, 252020237), (95, 212227568), (112, 180014455), (116, 173807060), (133, 151591120), (140, 144011564), (145, 139045648), (152, 132642230), (181, 111390160), (190, 106113784), (203, 99318320), (232, 86903530), (266, 75795560), (280, 72005782), (290, 69522824), (304, 66321115), (361, 55849360), (362, 55695080), (380, 53056892), (406, 49659160), (464, 43451765), (532, 37897780), (551, 36590960), (560, 36002891), (580, 34761412), (665, 30318224), (722, 27924680), (724, 27847540), (760, 26528446), (812, 24829580), (905, 22278032), (1015, 19863664), (1064, 18948890), (1102, 18295480), (1160, 17380706), (1267, 15912880), (1330, 15159112), (1444, 13962340), (1448, 13923770), (1520, 13264223), (1624, 12414790), (1805, 11169872), (1810, 11139016), (2030, 9931832), (2128, 9474445), (2204, 9147740), (2320, 8690353), (2527, 7978480), (2534, 7956440), (2660, 7579556), (2755, 7318192), (2888, 6981170), (2896, 6961885), (3248, 6207395), (3439, 5862640), (3610, 5584936), (3620, 5569508), (3857, 5227280), (4060, 4965916), (4408, 4573870), (5054, 3989240), (5068, 3978220), (5249, 3841040), (5320, 3789778), (5510, 3659096), (5776, 3490585), (6335, 3182576), (6859, 2939440), (6878, 2931320), (7220, 2792468), (7240, 2784754), (7714, 2613640), (8120, 2482958), (8816, 2286935), (10108, 1994620), (10136, 1989110), (10469, 1925840), (10498, 1920520), (10640, 1894889), (11020, 1829548), (12635, 1595696), (12670, 1591288), (13718, 1469720), (13756, 1465660), (14440, 1396234), (14480, 1392377), (15428, 1306820), (16240, 1241479), (17195, 1172528), (19285, 1045456), (20216, 997310), (20272, 994555), (20938, 962920), (20996, 960260), (22040, 914774), (24073, 837520), (25270, 797848), (25340, 795644), (26245, 768208), (27436, 734860), (27512, 732830), (28880, 698117), (30856, 653410), (34295, 587888), (34390, 586264), (36743, 548720), (38570, 522728), (40432, 498655), (41876, 481460), (41992, 480130), (44080, 457387), (48013, 419920), (48146, 418760), (50540, 398924), (50680, 397822), (52345, 385168), (52490, 384104), (54872, 367430), (55024, 366415), (61712, 326705), (65341, 308560), (68590, 293944), (68780, 293132), (73283, 275120), (73486, 274360), (77140, 261364), (83752, 240730), (83984, 240065), (96026, 209960), (96292, 209380), (99731, 202160), (101080, 199462), (101360, 198911), (104690, 192584), (104980, 192052), (109744, 183715), (120365, 167504), (130682, 154280), (137180, 146972), (137560, 146566)]