31356720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1613}}^1$

素因数の和:1641

約数の個数: 120

約数和(自身を含む): 109274256

約数和(自身を除く): 77917536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1613, 1620, 1944, 2160, 2430, 3226, 3240, 3888, 4839, 4860, 6452, 6480, 8065, 9678, 9720, 12904, 14517, 16130, 19356, 19440, 24195, 25808, 29034, 32260, 38712, 43551, 48390, 58068, 64520, 72585, 77424, 87102, 96780, 116136, 129040, 130653, 145170, 174204, 193560, 217755, 232272, 261306, 290340, 348408, 387120, 391959, 435510, 522612, 580680, 653265, 696816, 783918, 871020, 1045224, 1161360, 1306530, 1567836, 1742040, 1959795, 2090448, 2613060, 3135672, 3484080, 3919590, 5226120, 6271344, 7839180, 10452240, 15678360, 31356720]

約数ペア:

[(1, 31356720), (2, 15678360), (3, 10452240), (4, 7839180), (5, 6271344), (6, 5226120), (8, 3919590), (9, 3484080), (10, 3135672), (12, 2613060), (15, 2090448), (16, 1959795), (18, 1742040), (20, 1567836), (24, 1306530), (27, 1161360), (30, 1045224), (36, 871020), (40, 783918), (45, 696816), (48, 653265), (54, 580680), (60, 522612), (72, 435510), (80, 391959), (81, 387120), (90, 348408), (108, 290340), (120, 261306), (135, 232272), (144, 217755), (162, 193560), (180, 174204), (216, 145170), (240, 130653), (243, 129040), (270, 116136), (324, 96780), (360, 87102), (405, 77424), (432, 72585), (486, 64520), (540, 58068), (648, 48390), (720, 43551), (810, 38712), (972, 32260), (1080, 29034), (1215, 25808), (1296, 24195), (1613, 19440), (1620, 19356), (1944, 16130), (2160, 14517), (2430, 12904), (3226, 9720), (3240, 9678), (3888, 8065), (4839, 6480), (4860, 6452)]