87431280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 160

約数和(自身を含む): 289695744

約数和(自身を除く): 202264464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 47, 48, 60, 69, 80, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 240, 276, 282, 337, 345, 368, 376, 460, 470, 552, 564, 674, 690, 705, 752, 920, 940, 1011, 1081, 1104, 1128, 1348, 1380, 1410, 1685, 1840, 1880, 2022, 2162, 2256, 2696, 2760, 2820, 3243, 3370, 3760, 4044, 4324, 5055, 5392, 5405, 5520, 5640, 6486, 6740, 7751, 8088, 8648, 10110, 10810, 11280, 12972, 13480, 15502, 15839, 16176, 16215, 17296, 20220, 21620, 23253, 25944, 26960, 31004, 31678, 32430, 38755, 40440, 43240, 46506, 47517, 51888, 62008, 63356, 64860, 77510, 79195, 80880, 86480, 93012, 95034, 116265, 124016, 126712, 129720, 155020, 158390, 186024, 190068, 232530, 237585, 253424, 259440, 310040, 316780, 364297, 372048, 380136, 465060, 475170, 620080, 633560, 728594, 760272, 930120, 950340, 1092891, 1267120, 1457188, 1821485, 1860240, 1900680, 2185782, 2914376, 3642970, 3801360, 4371564, 5464455, 5828752, 7285940, 8743128, 10928910, 14571880, 17486256, 21857820, 29143760, 43715640, 87431280]

約数ペア:

[(1, 87431280), (2, 43715640), (3, 29143760), (4, 21857820), (5, 17486256), (6, 14571880), (8, 10928910), (10, 8743128), (12, 7285940), (15, 5828752), (16, 5464455), (20, 4371564), (23, 3801360), (24, 3642970), (30, 2914376), (40, 2185782), (46, 1900680), (47, 1860240), (48, 1821485), (60, 1457188), (69, 1267120), (80, 1092891), (92, 950340), (94, 930120), (115, 760272), (120, 728594), (138, 633560), (141, 620080), (184, 475170), (188, 465060), (230, 380136), (235, 372048), (240, 364297), (276, 316780), (282, 310040), (337, 259440), (345, 253424), (368, 237585), (376, 232530), (460, 190068), (470, 186024), (552, 158390), (564, 155020), (674, 129720), (690, 126712), (705, 124016), (752, 116265), (920, 95034), (940, 93012), (1011, 86480), (1081, 80880), (1104, 79195), (1128, 77510), (1348, 64860), (1380, 63356), (1410, 62008), (1685, 51888), (1840, 47517), (1880, 46506), (2022, 43240), (2162, 40440), (2256, 38755), (2696, 32430), (2760, 31678), (2820, 31004), (3243, 26960), (3370, 25944), (3760, 23253), (4044, 21620), (4324, 20220), (5055, 17296), (5392, 16215), (5405, 16176), (5520, 15839), (5640, 15502), (6486, 13480), (6740, 12972), (7751, 11280), (8088, 10810), (8648, 10110)]