420214920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:196

約数の個数: 256

約数和(自身を含む): 1386823680

約数和(自身を除く): 966608760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 43, 60, 62, 71, 74, 86, 93, 111, 120, 124, 129, 142, 148, 155, 172, 185, 186, 213, 215, 222, 248, 258, 284, 296, 310, 344, 355, 370, 372, 426, 430, 444, 465, 516, 555, 568, 620, 645, 710, 740, 744, 852, 860, 888, 930, 1032, 1065, 1110, 1147, 1240, 1290, 1333, 1420, 1480, 1591, 1704, 1720, 1860, 2130, 2201, 2220, 2294, 2580, 2627, 2666, 2840, 3053, 3182, 3441, 3720, 3999, 4260, 4402, 4440, 4588, 4773, 5160, 5254, 5332, 5735, 6106, 6364, 6603, 6665, 6882, 7881, 7955, 7998, 8520, 8804, 9159, 9176, 9546, 10508, 10664, 11005, 11470, 12212, 12728, 13135, 13206, 13330, 13764, 15265, 15762, 15910, 15996, 17205, 17608, 18318, 19092, 19995, 21016, 22010, 22940, 23865, 24424, 26270, 26412, 26660, 27528, 30530, 31524, 31820, 31992, 33015, 34410, 36636, 38184, 39405, 39990, 44020, 45795, 45880, 47730, 49321, 52540, 52824, 53320, 61060, 63048, 63640, 66030, 68820, 73272, 78810, 79980, 81437, 88040, 91590, 94643, 95460, 98642, 105080, 112961, 122120, 132060, 137640, 147963, 157620, 159960, 162874, 183180, 189286, 190920, 197284, 225922, 244311, 246605, 264120, 283929, 295926, 315240, 325748, 338883, 366360, 378572, 394568, 407185, 451844, 473215, 488622, 493210, 564805, 567858, 591852, 651496, 677766, 739815, 757144, 814370, 903688, 946430, 977244, 986420, 1129610, 1135716, 1183704, 1221555, 1355532, 1419645, 1479630, 1628740, 1694415, 1892860, 1954488, 1972840, 2259220, 2271432, 2443110, 2711064, 2839290, 2959260, 3257480, 3388830, 3501791, 3785720, 4518440, 4886220, 5678580, 5918520, 6777660, 7003582, 9772440, 10505373, 11357160, 13555320, 14007164, 17508955, 21010746, 28014328, 35017910, 42021492, 52526865, 70035820, 84042984, 105053730, 140071640, 210107460, 420214920]

約数ペア:

[(1, 420214920), (2, 210107460), (3, 140071640), (4, 105053730), (5, 84042984), (6, 70035820), (8, 52526865), (10, 42021492), (12, 35017910), (15, 28014328), (20, 21010746), (24, 17508955), (30, 14007164), (31, 13555320), (37, 11357160), (40, 10505373), (43, 9772440), (60, 7003582), (62, 6777660), (71, 5918520), (74, 5678580), (86, 4886220), (93, 4518440), (111, 3785720), (120, 3501791), (124, 3388830), (129, 3257480), (142, 2959260), (148, 2839290), (155, 2711064), (172, 2443110), (185, 2271432), (186, 2259220), (213, 1972840), (215, 1954488), (222, 1892860), (248, 1694415), (258, 1628740), (284, 1479630), (296, 1419645), (310, 1355532), (344, 1221555), (355, 1183704), (370, 1135716), (372, 1129610), (426, 986420), (430, 977244), (444, 946430), (465, 903688), (516, 814370), (555, 757144), (568, 739815), (620, 677766), (645, 651496), (710, 591852), (740, 567858), (744, 564805), (852, 493210), (860, 488622), (888, 473215), (930, 451844), (1032, 407185), (1065, 394568), (1110, 378572), (1147, 366360), (1240, 338883), (1290, 325748), (1333, 315240), (1420, 295926), (1480, 283929), (1591, 264120), (1704, 246605), (1720, 244311), (1860, 225922), (2130, 197284), (2201, 190920), (2220, 189286), (2294, 183180), (2580, 162874), (2627, 159960), (2666, 157620), (2840, 147963), (3053, 137640), (3182, 132060), (3441, 122120), (3720, 112961), (3999, 105080), (4260, 98642), (4402, 95460), (4440, 94643), (4588, 91590), (4773, 88040), (5160, 81437), (5254, 79980), (5332, 78810), (5735, 73272), (6106, 68820), (6364, 66030), (6603, 63640), (6665, 63048), (6882, 61060), (7881, 53320), (7955, 52824), (7998, 52540), (8520, 49321), (8804, 47730), (9159, 45880), (9176, 45795), (9546, 44020), (10508, 39990), (10664, 39405), (11005, 38184), (11470, 36636), (12212, 34410), (12728, 33015), (13135, 31992), (13206, 31820), (13330, 31524), (13764, 30530), (15265, 27528), (15762, 26660), (15910, 26412), (15996, 26270), (17205, 24424), (17608, 23865), (18318, 22940), (19092, 22010), (19995, 21016)]