81068040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 275996160

約数和(自身を除く): 194928120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 131, 135, 162, 180, 191, 216, 262, 270, 324, 360, 382, 393, 405, 524, 540, 573, 648, 655, 764, 786, 810, 955, 1048, 1080, 1146, 1179, 1310, 1528, 1572, 1620, 1719, 1910, 1965, 2292, 2358, 2620, 2865, 3144, 3240, 3438, 3537, 3820, 3930, 4584, 4716, 5157, 5240, 5730, 5895, 6876, 7074, 7640, 7860, 8595, 9432, 10314, 10611, 11460, 11790, 13752, 14148, 15471, 15720, 17190, 17685, 20628, 21222, 22920, 23580, 25021, 25785, 28296, 30942, 34380, 35370, 41256, 42444, 47160, 50042, 51570, 53055, 61884, 68760, 70740, 75063, 77355, 84888, 100084, 103140, 106110, 123768, 125105, 141480, 150126, 154710, 200168, 206280, 212220, 225189, 250210, 300252, 309420, 375315, 424440, 450378, 500420, 600504, 618840, 675567, 750630, 900756, 1000840, 1125945, 1351134, 1501260, 1801512, 2026701, 2251890, 2702268, 3002520, 3377835, 4053402, 4503780, 5404536, 6755670, 8106804, 9007560, 10133505, 13511340, 16213608, 20267010, 27022680, 40534020, 81068040]

約数ペア:

[(1, 81068040), (2, 40534020), (3, 27022680), (4, 20267010), (5, 16213608), (6, 13511340), (8, 10133505), (9, 9007560), (10, 8106804), (12, 6755670), (15, 5404536), (18, 4503780), (20, 4053402), (24, 3377835), (27, 3002520), (30, 2702268), (36, 2251890), (40, 2026701), (45, 1801512), (54, 1501260), (60, 1351134), (72, 1125945), (81, 1000840), (90, 900756), (108, 750630), (120, 675567), (131, 618840), (135, 600504), (162, 500420), (180, 450378), (191, 424440), (216, 375315), (262, 309420), (270, 300252), (324, 250210), (360, 225189), (382, 212220), (393, 206280), (405, 200168), (524, 154710), (540, 150126), (573, 141480), (648, 125105), (655, 123768), (764, 106110), (786, 103140), (810, 100084), (955, 84888), (1048, 77355), (1080, 75063), (1146, 70740), (1179, 68760), (1310, 61884), (1528, 53055), (1572, 51570), (1620, 50042), (1719, 47160), (1910, 42444), (1965, 41256), (2292, 35370), (2358, 34380), (2620, 30942), (2865, 28296), (3144, 25785), (3240, 25021), (3438, 23580), (3537, 22920), (3820, 21222), (3930, 20628), (4584, 17685), (4716, 17190), (5157, 15720), (5240, 15471), (5730, 14148), (5895, 13752), (6876, 11790), (7074, 11460), (7640, 10611), (7860, 10314), (8595, 9432)]