31307920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1568

約数の個数: 80

約数和(自身を含む): 85494528

約数和(自身を除く): 54186608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 1511, 2072, 2590, 2960, 3022, 4144, 5180, 6044, 7555, 10360, 10577, 12088, 15110, 20720, 21154, 24176, 30220, 42308, 52885, 55907, 60440, 84616, 105770, 111814, 120880, 169232, 211540, 223628, 279535, 391349, 423080, 447256, 559070, 782698, 846160, 894512, 1118140, 1565396, 1956745, 2236280, 3130792, 3913490, 4472560, 6261584, 7826980, 15653960, 31307920]

約数ペア:

[(1, 31307920), (2, 15653960), (4, 7826980), (5, 6261584), (7, 4472560), (8, 3913490), (10, 3130792), (14, 2236280), (16, 1956745), (20, 1565396), (28, 1118140), (35, 894512), (37, 846160), (40, 782698), (56, 559070), (70, 447256), (74, 423080), (80, 391349), (112, 279535), (140, 223628), (148, 211540), (185, 169232), (259, 120880), (280, 111814), (296, 105770), (370, 84616), (518, 60440), (560, 55907), (592, 52885), (740, 42308), (1036, 30220), (1295, 24176), (1480, 21154), (1511, 20720), (2072, 15110), (2590, 12088), (2960, 10577), (3022, 10360), (4144, 7555), (5180, 6044)]