31983280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 89056800

約数和(自身を除く): 57073520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 199, 205, 245, 280, 287, 328, 392, 398, 410, 490, 560, 574, 656, 784, 796, 820, 980, 995, 1148, 1393, 1435, 1592, 1640, 1960, 1990, 2009, 2296, 2786, 2870, 3184, 3280, 3920, 3980, 4018, 4592, 5572, 5740, 6965, 7960, 8036, 8159, 9751, 10045, 11144, 11480, 13930, 15920, 16072, 16318, 19502, 20090, 22288, 22960, 27860, 32144, 32636, 39004, 40180, 40795, 48755, 55720, 57113, 65272, 78008, 80360, 81590, 97510, 111440, 114226, 130544, 156016, 160720, 163180, 195020, 228452, 285565, 326360, 390040, 399791, 456904, 571130, 652720, 780080, 799582, 913808, 1142260, 1599164, 1998955, 2284520, 3198328, 3997910, 4569040, 6396656, 7995820, 15991640, 31983280]

約数ペア:

[(1, 31983280), (2, 15991640), (4, 7995820), (5, 6396656), (7, 4569040), (8, 3997910), (10, 3198328), (14, 2284520), (16, 1998955), (20, 1599164), (28, 1142260), (35, 913808), (40, 799582), (41, 780080), (49, 652720), (56, 571130), (70, 456904), (80, 399791), (82, 390040), (98, 326360), (112, 285565), (140, 228452), (164, 195020), (196, 163180), (199, 160720), (205, 156016), (245, 130544), (280, 114226), (287, 111440), (328, 97510), (392, 81590), (398, 80360), (410, 78008), (490, 65272), (560, 57113), (574, 55720), (656, 48755), (784, 40795), (796, 40180), (820, 39004), (980, 32636), (995, 32144), (1148, 27860), (1393, 22960), (1435, 22288), (1592, 20090), (1640, 19502), (1960, 16318), (1990, 16072), (2009, 15920), (2296, 13930), (2786, 11480), (2870, 11144), (3184, 10045), (3280, 9751), (3920, 8159), (3980, 8036), (4018, 7960), (4592, 6965), (5572, 5740)]