139978920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1315

約数の個数: 128

約数和(自身を含む): 449245440

約数和(自身を除く): 309266520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 410, 460, 492, 552, 615, 690, 820, 920, 943, 984, 1230, 1237, 1380, 1640, 1886, 2460, 2474, 2760, 2829, 3711, 3772, 4715, 4920, 4948, 5658, 6185, 7422, 7544, 9430, 9896, 11316, 12370, 14145, 14844, 18555, 18860, 22632, 24740, 28290, 28451, 29688, 37110, 37720, 49480, 50717, 56580, 56902, 74220, 85353, 101434, 113160, 113804, 142255, 148440, 152151, 170706, 202868, 227608, 253585, 284510, 304302, 341412, 405736, 426765, 507170, 569020, 608604, 682824, 760755, 853530, 1014340, 1138040, 1166491, 1217208, 1521510, 1707060, 2028680, 2332982, 3043020, 3414120, 3499473, 4665964, 5832455, 6086040, 6998946, 9331928, 11664910, 13997892, 17497365, 23329820, 27995784, 34994730, 46659640, 69989460, 139978920]

約数ペア:

[(1, 139978920), (2, 69989460), (3, 46659640), (4, 34994730), (5, 27995784), (6, 23329820), (8, 17497365), (10, 13997892), (12, 11664910), (15, 9331928), (20, 6998946), (23, 6086040), (24, 5832455), (30, 4665964), (40, 3499473), (41, 3414120), (46, 3043020), (60, 2332982), (69, 2028680), (82, 1707060), (92, 1521510), (115, 1217208), (120, 1166491), (123, 1138040), (138, 1014340), (164, 853530), (184, 760755), (205, 682824), (230, 608604), (246, 569020), (276, 507170), (328, 426765), (345, 405736), (410, 341412), (460, 304302), (492, 284510), (552, 253585), (615, 227608), (690, 202868), (820, 170706), (920, 152151), (943, 148440), (984, 142255), (1230, 113804), (1237, 113160), (1380, 101434), (1640, 85353), (1886, 74220), (2460, 56902), (2474, 56580), (2760, 50717), (2829, 49480), (3711, 37720), (3772, 37110), (4715, 29688), (4920, 28451), (4948, 28290), (5658, 24740), (6185, 22632), (7422, 18860), (7544, 18555), (9430, 14844), (9896, 14145), (11316, 12370)]