311929680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{56509}}^1$

素因数の和:56548

約数の個数: 80

約数和(自身を含む): 1009042560

約数和(自身を除く): 697112880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 56509, 113018, 169527, 226036, 282545, 339054, 452072, 565090, 678108, 847635, 904144, 1130180, 1299707, 1356216, 1695270, 2260360, 2599414, 2712432, 3390540, 3899121, 4520720, 5198828, 6498535, 6781080, 7798242, 10397656, 12997070, 13562160, 15596484, 19495605, 20795312, 25994140, 31192968, 38991210, 51988280, 62385936, 77982420, 103976560, 155964840, 311929680]

約数ペア:

[(1, 311929680), (2, 155964840), (3, 103976560), (4, 77982420), (5, 62385936), (6, 51988280), (8, 38991210), (10, 31192968), (12, 25994140), (15, 20795312), (16, 19495605), (20, 15596484), (23, 13562160), (24, 12997070), (30, 10397656), (40, 7798242), (46, 6781080), (48, 6498535), (60, 5198828), (69, 4520720), (80, 3899121), (92, 3390540), (115, 2712432), (120, 2599414), (138, 2260360), (184, 1695270), (230, 1356216), (240, 1299707), (276, 1130180), (345, 904144), (368, 847635), (460, 678108), (552, 565090), (690, 452072), (920, 339054), (1104, 282545), (1380, 226036), (1840, 169527), (2760, 113018), (5520, 56509)]