131543440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1509

約数の個数: 120

約数和(自身を含む): 371494080

約数和(自身を除く): 239950640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1459, 1610, 1840, 1960, 2254, 2576, 2918, 3220, 3920, 4508, 5635, 5836, 6440, 7295, 9016, 10213, 11270, 11672, 12880, 14590, 18032, 20426, 22540, 23344, 29180, 33557, 40852, 45080, 51065, 58360, 67114, 71491, 81704, 90160, 102130, 116720, 134228, 142982, 163408, 167785, 204260, 234899, 268456, 285964, 335570, 357455, 408520, 469798, 536912, 571928, 671140, 714910, 817040, 939596, 1143856, 1174495, 1342280, 1429820, 1644293, 1879192, 2348990, 2684560, 2859640, 3288586, 3758384, 4697980, 5719280, 6577172, 8221465, 9395960, 13154344, 16442930, 18791920, 26308688, 32885860, 65771720, 131543440]

約数ペア:

[(1, 131543440), (2, 65771720), (4, 32885860), (5, 26308688), (7, 18791920), (8, 16442930), (10, 13154344), (14, 9395960), (16, 8221465), (20, 6577172), (23, 5719280), (28, 4697980), (35, 3758384), (40, 3288586), (46, 2859640), (49, 2684560), (56, 2348990), (70, 1879192), (80, 1644293), (92, 1429820), (98, 1342280), (112, 1174495), (115, 1143856), (140, 939596), (161, 817040), (184, 714910), (196, 671140), (230, 571928), (245, 536912), (280, 469798), (322, 408520), (368, 357455), (392, 335570), (460, 285964), (490, 268456), (560, 234899), (644, 204260), (784, 167785), (805, 163408), (920, 142982), (980, 134228), (1127, 116720), (1288, 102130), (1459, 90160), (1610, 81704), (1840, 71491), (1960, 67114), (2254, 58360), (2576, 51065), (2918, 45080), (3220, 40852), (3920, 33557), (4508, 29180), (5635, 23344), (5836, 22540), (6440, 20426), (7295, 18032), (9016, 14590), (10213, 12880), (11270, 11672)]