31350480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18661}}^1$

素因数の和:18684

約数の個数: 80

約数和(自身を含む): 111076224

約数和(自身を除く): 79725744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18661, 37322, 55983, 74644, 93305, 111966, 130627, 149288, 186610, 223932, 261254, 279915, 298576, 373220, 391881, 447864, 522508, 559830, 653135, 746440, 783762, 895728, 1045016, 1119660, 1306270, 1492880, 1567524, 1959405, 2090032, 2239320, 2612540, 3135048, 3918810, 4478640, 5225080, 6270096, 7837620, 10450160, 15675240, 31350480]

約数ペア:

[(1, 31350480), (2, 15675240), (3, 10450160), (4, 7837620), (5, 6270096), (6, 5225080), (7, 4478640), (8, 3918810), (10, 3135048), (12, 2612540), (14, 2239320), (15, 2090032), (16, 1959405), (20, 1567524), (21, 1492880), (24, 1306270), (28, 1119660), (30, 1045016), (35, 895728), (40, 783762), (42, 746440), (48, 653135), (56, 559830), (60, 522508), (70, 447864), (80, 391881), (84, 373220), (105, 298576), (112, 279915), (120, 261254), (140, 223932), (168, 186610), (210, 149288), (240, 130627), (280, 111966), (336, 93305), (420, 74644), (560, 55983), (840, 37322), (1680, 18661)]