72840680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8713}}^1$

素因数の和:8754

約数の個数: 64

約数和(自身を含む): 188222400

約数和(自身を除く): 115381720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 8713, 17426, 34852, 43565, 69704, 87130, 95843, 165547, 174260, 191686, 331094, 348520, 383372, 479215, 662188, 766744, 827735, 958430, 1324376, 1655470, 1821017, 1916860, 3310940, 3642034, 3833720, 6621880, 7284068, 9105085, 14568136, 18210170, 36420340, 72840680]

約数ペア:

[(1, 72840680), (2, 36420340), (4, 18210170), (5, 14568136), (8, 9105085), (10, 7284068), (11, 6621880), (19, 3833720), (20, 3642034), (22, 3310940), (38, 1916860), (40, 1821017), (44, 1655470), (55, 1324376), (76, 958430), (88, 827735), (95, 766744), (110, 662188), (152, 479215), (190, 383372), (209, 348520), (220, 331094), (380, 191686), (418, 174260), (440, 165547), (760, 95843), (836, 87130), (1045, 69704), (1672, 43565), (2090, 34852), (4180, 17426), (8360, 8713)]