1981720728

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{641}}^1$

素因数の和:1039

約数の個数: 160

約数和(自身を含む): 6003264960

約数和(自身を除く): 4021544232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 367, 468, 641, 648, 702, 734, 936, 1053, 1101, 1282, 1404, 1468, 1923, 2106, 2202, 2564, 2808, 2936, 3303, 3846, 4212, 4404, 4771, 5128, 5769, 6606, 7692, 8333, 8424, 8808, 9542, 9909, 11538, 13212, 14313, 15384, 16666, 17307, 19084, 19818, 23076, 24999, 26424, 28626, 29727, 33332, 34614, 38168, 39636, 42939, 46152, 49998, 51921, 57252, 59454, 66664, 69228, 74997, 79272, 85878, 99996, 103842, 114504, 118908, 128817, 138456, 149994, 171756, 199992, 207684, 224991, 235247, 237816, 257634, 299988, 343512, 386451, 415368, 449982, 470494, 515268, 599976, 674973, 705741, 772902, 899964, 940988, 1030536, 1349946, 1411482, 1545804, 1799928, 1881976, 2117223, 2699892, 2822964, 3058211, 3091608, 4234446, 5399784, 5645928, 6116422, 6351669, 8468892, 9174633, 12232844, 12703338, 16937784, 18349266, 19055007, 24465688, 25406676, 27523899, 36698532, 38110014, 50813352, 55047798, 73397064, 76220028, 82571697, 110095596, 152440056, 165143394, 220191192, 247715091, 330286788, 495430182, 660573576, 990860364, 1981720728]

約数ペア:

[(1, 1981720728), (2, 990860364), (3, 660573576), (4, 495430182), (6, 330286788), (8, 247715091), (9, 220191192), (12, 165143394), (13, 152440056), (18, 110095596), (24, 82571697), (26, 76220028), (27, 73397064), (36, 55047798), (39, 50813352), (52, 38110014), (54, 36698532), (72, 27523899), (78, 25406676), (81, 24465688), (104, 19055007), (108, 18349266), (117, 16937784), (156, 12703338), (162, 12232844), (216, 9174633), (234, 8468892), (312, 6351669), (324, 6116422), (351, 5645928), (367, 5399784), (468, 4234446), (641, 3091608), (648, 3058211), (702, 2822964), (734, 2699892), (936, 2117223), (1053, 1881976), (1101, 1799928), (1282, 1545804), (1404, 1411482), (1468, 1349946), (1923, 1030536), (2106, 940988), (2202, 899964), (2564, 772902), (2808, 705741), (2936, 674973), (3303, 599976), (3846, 515268), (4212, 470494), (4404, 449982), (4771, 415368), (5128, 386451), (5769, 343512), (6606, 299988), (7692, 257634), (8333, 237816), (8424, 235247), (8808, 224991), (9542, 207684), (9909, 199992), (11538, 171756), (13212, 149994), (14313, 138456), (15384, 128817), (16666, 118908), (17307, 114504), (19084, 103842), (19818, 99996), (23076, 85878), (24999, 79272), (26424, 74997), (28626, 69228), (29727, 66664), (33332, 59454), (34614, 57252), (38168, 51921), (39636, 49998), (42939, 46152)]