31171440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5647}}^1$

素因数の和:5686

約数の個数: 80

約数和(自身を含む): 100850688

約数和(自身を除く): 69679248

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, 5647, 11294, 16941, 22588, 28235, 33882, 45176, 56470, 67764, 84705, 90352, 112940, 129881, 135528, 169410, 225880, 259762, 271056, 338820, 389643, 451760, 519524, 649405, 677640, 779286, 1039048, 1298810, 1355280, 1558572, 1948215, 2078096, 2597620, 3117144, 3896430, 5195240, 6234288, 7792860, 10390480, 15585720, 31171440]

約数ペア:

[(1, 31171440), (2, 15585720), (3, 10390480), (4, 7792860), (5, 6234288), (6, 5195240), (8, 3896430), (10, 3117144), (12, 2597620), (15, 2078096), (16, 1948215), (20, 1558572), (23, 1355280), (24, 1298810), (30, 1039048), (40, 779286), (46, 677640), (48, 649405), (60, 519524), (69, 451760), (80, 389643), (92, 338820), (115, 271056), (120, 259762), (138, 225880), (184, 169410), (230, 135528), (240, 129881), (276, 112940), (345, 90352), (368, 84705), (460, 67764), (552, 56470), (690, 45176), (920, 33882), (1104, 28235), (1380, 22588), (1840, 16941), (2760, 11294), (5520, 5647)]