74789120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 217219968

約数和(自身を除く): 142430848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 491, 544, 560, 595, 640, 680, 896, 952, 982, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 1964, 2176, 2240, 2380, 2455, 2720, 3437, 3808, 3928, 4352, 4480, 4760, 4910, 5440, 6874, 7616, 7856, 8347, 8960, 9520, 9820, 10880, 13748, 15232, 15712, 16694, 17185, 19040, 19640, 21760, 27496, 30464, 31424, 33388, 34370, 38080, 39280, 41735, 54992, 58429, 62848, 66776, 68740, 76160, 78560, 83470, 109984, 116858, 125696, 133552, 137480, 152320, 157120, 166940, 219968, 233716, 267104, 274960, 292145, 314240, 333880, 439936, 467432, 534208, 549920, 584290, 628480, 667760, 879872, 934864, 1068416, 1099840, 1168580, 1335520, 1869728, 2136832, 2199680, 2337160, 2671040, 3739456, 4399360, 4674320, 5342080, 7478912, 9348640, 10684160, 14957824, 18697280, 37394560, 74789120]

約数ペア:

[(1, 74789120), (2, 37394560), (4, 18697280), (5, 14957824), (7, 10684160), (8, 9348640), (10, 7478912), (14, 5342080), (16, 4674320), (17, 4399360), (20, 3739456), (28, 2671040), (32, 2337160), (34, 2199680), (35, 2136832), (40, 1869728), (56, 1335520), (64, 1168580), (68, 1099840), (70, 1068416), (80, 934864), (85, 879872), (112, 667760), (119, 628480), (128, 584290), (136, 549920), (140, 534208), (160, 467432), (170, 439936), (224, 333880), (238, 314240), (256, 292145), (272, 274960), (280, 267104), (320, 233716), (340, 219968), (448, 166940), (476, 157120), (491, 152320), (544, 137480), (560, 133552), (595, 125696), (640, 116858), (680, 109984), (896, 83470), (952, 78560), (982, 76160), (1088, 68740), (1120, 66776), (1190, 62848), (1280, 58429), (1360, 54992), (1792, 41735), (1904, 39280), (1964, 38080), (2176, 34370), (2240, 33388), (2380, 31424), (2455, 30464), (2720, 27496), (3437, 21760), (3808, 19640), (3928, 19040), (4352, 17185), (4480, 16694), (4760, 15712), (4910, 15232), (5440, 13748), (6874, 10880), (7616, 9820), (7856, 9520), (8347, 8960)]