19456551680

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{8681}}^1$

素因数の和:8822

約数の個数: 144

約数和(自身を含む): 49830790464

約数和(自身を除く): 30374238784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 103, 128, 136, 160, 170, 206, 256, 272, 320, 340, 412, 515, 544, 640, 680, 824, 1030, 1088, 1280, 1360, 1648, 1751, 2060, 2176, 2720, 3296, 3502, 4120, 4352, 5440, 6592, 7004, 8240, 8681, 8755, 10880, 13184, 14008, 16480, 17362, 17510, 21760, 26368, 28016, 32960, 34724, 35020, 43405, 56032, 65920, 69448, 70040, 86810, 112064, 131840, 138896, 140080, 147577, 173620, 224128, 277792, 280160, 295154, 347240, 448256, 555584, 560320, 590308, 694480, 737885, 894143, 1111168, 1120640, 1180616, 1388960, 1475770, 1788286, 2222336, 2241280, 2361232, 2777920, 2951540, 3576572, 4470715, 4722464, 5555840, 5903080, 7153144, 8941430, 9444928, 11111680, 11806160, 14306288, 15200431, 17882860, 18889856, 23612320, 28612576, 30400862, 35765720, 37779712, 47224640, 57225152, 60801724, 71531440, 76002155, 94449280, 114450304, 121603448, 143062880, 152004310, 188898560, 228900608, 243206896, 286125760, 304008620, 486413792, 572251520, 608017240, 972827584, 1144503040, 1216034480, 1945655168, 2432068960, 3891310336, 4864137920, 9728275840, 19456551680]

約数ペア:

[(1, 19456551680), (2, 9728275840), (4, 4864137920), (5, 3891310336), (8, 2432068960), (10, 1945655168), (16, 1216034480), (17, 1144503040), (20, 972827584), (32, 608017240), (34, 572251520), (40, 486413792), (64, 304008620), (68, 286125760), (80, 243206896), (85, 228900608), (103, 188898560), (128, 152004310), (136, 143062880), (160, 121603448), (170, 114450304), (206, 94449280), (256, 76002155), (272, 71531440), (320, 60801724), (340, 57225152), (412, 47224640), (515, 37779712), (544, 35765720), (640, 30400862), (680, 28612576), (824, 23612320), (1030, 18889856), (1088, 17882860), (1280, 15200431), (1360, 14306288), (1648, 11806160), (1751, 11111680), (2060, 9444928), (2176, 8941430), (2720, 7153144), (3296, 5903080), (3502, 5555840), (4120, 4722464), (4352, 4470715), (5440, 3576572), (6592, 2951540), (7004, 2777920), (8240, 2361232), (8681, 2241280), (8755, 2222336), (10880, 1788286), (13184, 1475770), (14008, 1388960), (16480, 1180616), (17362, 1120640), (17510, 1111168), (21760, 894143), (26368, 737885), (28016, 694480), (32960, 590308), (34724, 560320), (35020, 555584), (43405, 448256), (56032, 347240), (65920, 295154), (69448, 280160), (70040, 277792), (86810, 224128), (112064, 173620), (131840, 147577), (138896, 140080)]