18206938920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227473}}^1$

素因数の和:227539

約数の個数: 128

約数和(自身を含む): 58961260800

約数和(自身を除く): 40754321880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 667, 690, 696, 870, 920, 1160, 1334, 1380, 1740, 2001, 2668, 2760, 3335, 3480, 4002, 5336, 6670, 8004, 10005, 13340, 16008, 20010, 26680, 40020, 80040, 227473, 454946, 682419, 909892, 1137365, 1364838, 1819784, 2274730, 2729676, 3412095, 4549460, 5231879, 5459352, 6596717, 6824190, 9098920, 10463758, 13193434, 13648380, 15695637, 19790151, 20927516, 26159395, 26386868, 27296760, 31391274, 32983585, 39580302, 41855032, 52318790, 52773736, 62782548, 65967170, 78478185, 79160604, 98950755, 104637580, 125565096, 131934340, 151724491, 156956370, 158321208, 197901510, 209275160, 263868680, 303448982, 313912740, 395803020, 455173473, 606897964, 627825480, 758622455, 791606040, 910346946, 1213795928, 1517244910, 1820693892, 2275867365, 3034489820, 3641387784, 4551734730, 6068979640, 9103469460, 18206938920]

約数ペア:

[(1, 18206938920), (2, 9103469460), (3, 6068979640), (4, 4551734730), (5, 3641387784), (6, 3034489820), (8, 2275867365), (10, 1820693892), (12, 1517244910), (15, 1213795928), (20, 910346946), (23, 791606040), (24, 758622455), (29, 627825480), (30, 606897964), (40, 455173473), (46, 395803020), (58, 313912740), (60, 303448982), (69, 263868680), (87, 209275160), (92, 197901510), (115, 158321208), (116, 156956370), (120, 151724491), (138, 131934340), (145, 125565096), (174, 104637580), (184, 98950755), (230, 79160604), (232, 78478185), (276, 65967170), (290, 62782548), (345, 52773736), (348, 52318790), (435, 41855032), (460, 39580302), (552, 32983585), (580, 31391274), (667, 27296760), (690, 26386868), (696, 26159395), (870, 20927516), (920, 19790151), (1160, 15695637), (1334, 13648380), (1380, 13193434), (1740, 10463758), (2001, 9098920), (2668, 6824190), (2760, 6596717), (3335, 5459352), (3480, 5231879), (4002, 4549460), (5336, 3412095), (6670, 2729676), (8004, 2274730), (10005, 1819784), (13340, 1364838), (16008, 1137365), (20010, 909892), (26680, 682419), (40020, 454946), (80040, 227473)]