31027860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 98794080

約数和(自身を除く): 67766220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 162, 179, 180, 214, 270, 321, 324, 358, 405, 428, 535, 537, 540, 642, 716, 810, 895, 963, 1070, 1074, 1284, 1605, 1611, 1620, 1790, 1926, 2140, 2148, 2685, 2889, 3210, 3222, 3580, 3852, 4815, 4833, 5370, 5778, 6420, 6444, 8055, 8667, 9630, 9666, 10740, 11556, 14445, 14499, 16110, 17334, 19153, 19260, 19332, 24165, 28890, 28998, 32220, 34668, 38306, 43335, 48330, 57459, 57780, 57996, 72495, 76612, 86670, 95765, 96660, 114918, 144990, 172377, 173340, 191530, 229836, 287295, 289980, 344754, 383060, 517131, 574590, 689508, 861885, 1034262, 1149180, 1551393, 1723770, 2068524, 2585655, 3102786, 3447540, 5171310, 6205572, 7756965, 10342620, 15513930, 31027860]

約数ペア:

[(1, 31027860), (2, 15513930), (3, 10342620), (4, 7756965), (5, 6205572), (6, 5171310), (9, 3447540), (10, 3102786), (12, 2585655), (15, 2068524), (18, 1723770), (20, 1551393), (27, 1149180), (30, 1034262), (36, 861885), (45, 689508), (54, 574590), (60, 517131), (81, 383060), (90, 344754), (107, 289980), (108, 287295), (135, 229836), (162, 191530), (179, 173340), (180, 172377), (214, 144990), (270, 114918), (321, 96660), (324, 95765), (358, 86670), (405, 76612), (428, 72495), (535, 57996), (537, 57780), (540, 57459), (642, 48330), (716, 43335), (810, 38306), (895, 34668), (963, 32220), (1070, 28998), (1074, 28890), (1284, 24165), (1605, 19332), (1611, 19260), (1620, 19153), (1790, 17334), (1926, 16110), (2140, 14499), (2148, 14445), (2685, 11556), (2889, 10740), (3210, 9666), (3222, 9630), (3580, 8667), (3852, 8055), (4815, 6444), (4833, 6420), (5370, 5778)]