131184640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 329041440

約数和(自身を除く): 197856800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 557, 640, 736, 920, 1024, 1114, 1280, 1472, 1840, 2048, 2228, 2560, 2785, 2944, 3680, 4456, 5120, 5570, 5888, 7360, 8912, 10240, 11140, 11776, 12811, 14720, 17824, 22280, 23552, 25622, 29440, 35648, 44560, 47104, 51244, 58880, 64055, 71296, 89120, 102488, 117760, 128110, 142592, 178240, 204976, 235520, 256220, 285184, 356480, 409952, 512440, 570368, 712960, 819904, 1024880, 1140736, 1425920, 1639808, 2049760, 2851840, 3279616, 4099520, 5703680, 6559232, 8199040, 13118464, 16398080, 26236928, 32796160, 65592320, 131184640]

約数ペア:

[(1, 131184640), (2, 65592320), (4, 32796160), (5, 26236928), (8, 16398080), (10, 13118464), (16, 8199040), (20, 6559232), (23, 5703680), (32, 4099520), (40, 3279616), (46, 2851840), (64, 2049760), (80, 1639808), (92, 1425920), (115, 1140736), (128, 1024880), (160, 819904), (184, 712960), (230, 570368), (256, 512440), (320, 409952), (368, 356480), (460, 285184), (512, 256220), (557, 235520), (640, 204976), (736, 178240), (920, 142592), (1024, 128110), (1114, 117760), (1280, 102488), (1472, 89120), (1840, 71296), (2048, 64055), (2228, 58880), (2560, 51244), (2785, 47104), (2944, 44560), (3680, 35648), (4456, 29440), (5120, 25622), (5570, 23552), (5888, 22280), (7360, 17824), (8912, 14720), (10240, 12811), (11140, 11776)]