2688240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 8713728

約数和(自身を除く): 6025488

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, 487, 552, 690, 920, 974, 1104, 1380, 1461, 1840, 1948, 2435, 2760, 2922, 3896, 4870, 5520, 5844, 7305, 7792, 9740, 11201, 11688, 14610, 19480, 22402, 23376, 29220, 33603, 38960, 44804, 56005, 58440, 67206, 89608, 112010, 116880, 134412, 168015, 179216, 224020, 268824, 336030, 448040, 537648, 672060, 896080, 1344120, 2688240]

約数ペア:

[(1, 2688240), (2, 1344120), (3, 896080), (4, 672060), (5, 537648), (6, 448040), (8, 336030), (10, 268824), (12, 224020), (15, 179216), (16, 168015), (20, 134412), (23, 116880), (24, 112010), (30, 89608), (40, 67206), (46, 58440), (48, 56005), (60, 44804), (69, 38960), (80, 33603), (92, 29220), (115, 23376), (120, 22402), (138, 19480), (184, 14610), (230, 11688), (240, 11201), (276, 9740), (345, 7792), (368, 7305), (460, 5844), (487, 5520), (552, 4870), (690, 3896), (920, 2922), (974, 2760), (1104, 2435), (1380, 1948), (1461, 1840)]