1381711040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{509}}^1$

素因数の和:1042

約数の個数: 112

約数和(自身を含む): 3497580000

約数和(自身を除く): 2115868960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 499, 509, 544, 680, 998, 1018, 1088, 1360, 1996, 2036, 2495, 2545, 2720, 3992, 4072, 4990, 5090, 5440, 7984, 8144, 8483, 8653, 9980, 10180, 15968, 16288, 16966, 17306, 19960, 20360, 31936, 32576, 33932, 34612, 39920, 40720, 42415, 43265, 67864, 69224, 79840, 81440, 84830, 86530, 135728, 138448, 159680, 162880, 169660, 173060, 253991, 271456, 276896, 339320, 346120, 507982, 542912, 553792, 678640, 692240, 1015964, 1269955, 1357280, 1384480, 2031928, 2539910, 2714560, 2768960, 4063856, 4317847, 5079820, 8127712, 8635694, 10159640, 16255424, 17271388, 20319280, 21589235, 34542776, 40638560, 43178470, 69085552, 81277120, 86356940, 138171104, 172713880, 276342208, 345427760, 690855520, 1381711040]

約数ペア:

[(1, 1381711040), (2, 690855520), (4, 345427760), (5, 276342208), (8, 172713880), (10, 138171104), (16, 86356940), (17, 81277120), (20, 69085552), (32, 43178470), (34, 40638560), (40, 34542776), (64, 21589235), (68, 20319280), (80, 17271388), (85, 16255424), (136, 10159640), (160, 8635694), (170, 8127712), (272, 5079820), (320, 4317847), (340, 4063856), (499, 2768960), (509, 2714560), (544, 2539910), (680, 2031928), (998, 1384480), (1018, 1357280), (1088, 1269955), (1360, 1015964), (1996, 692240), (2036, 678640), (2495, 553792), (2545, 542912), (2720, 507982), (3992, 346120), (4072, 339320), (4990, 276896), (5090, 271456), (5440, 253991), (7984, 173060), (8144, 169660), (8483, 162880), (8653, 159680), (9980, 138448), (10180, 135728), (15968, 86530), (16288, 84830), (16966, 81440), (17306, 79840), (19960, 69224), (20360, 67864), (31936, 43265), (32576, 42415), (33932, 40720), (34612, 39920)]