72205920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1285

約数の個数: 144

約数和(自身を含む): 252618912

約数和(自身を除く): 180412992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 492, 615, 656, 720, 738, 820, 984, 1223, 1230, 1312, 1440, 1476, 1640, 1845, 1968, 2446, 2460, 2952, 3280, 3669, 3690, 3936, 4892, 4920, 5904, 6115, 6560, 7338, 7380, 9784, 9840, 11007, 11808, 12230, 14676, 14760, 18345, 19568, 19680, 22014, 24460, 29352, 29520, 36690, 39136, 44028, 48920, 50143, 55035, 58704, 59040, 73380, 88056, 97840, 100286, 110070, 117408, 146760, 150429, 176112, 195680, 200572, 220140, 250715, 293520, 300858, 352224, 401144, 440280, 451287, 501430, 587040, 601716, 752145, 802288, 880560, 902574, 1002860, 1203432, 1504290, 1604576, 1761120, 1805148, 2005720, 2256435, 2406864, 3008580, 3610296, 4011440, 4512870, 4813728, 6017160, 7220592, 8022880, 9025740, 12034320, 14441184, 18051480, 24068640, 36102960, 72205920]

約数ペア:

[(1, 72205920), (2, 36102960), (3, 24068640), (4, 18051480), (5, 14441184), (6, 12034320), (8, 9025740), (9, 8022880), (10, 7220592), (12, 6017160), (15, 4813728), (16, 4512870), (18, 4011440), (20, 3610296), (24, 3008580), (30, 2406864), (32, 2256435), (36, 2005720), (40, 1805148), (41, 1761120), (45, 1604576), (48, 1504290), (60, 1203432), (72, 1002860), (80, 902574), (82, 880560), (90, 802288), (96, 752145), (120, 601716), (123, 587040), (144, 501430), (160, 451287), (164, 440280), (180, 401144), (205, 352224), (240, 300858), (246, 293520), (288, 250715), (328, 220140), (360, 200572), (369, 195680), (410, 176112), (480, 150429), (492, 146760), (615, 117408), (656, 110070), (720, 100286), (738, 97840), (820, 88056), (984, 73380), (1223, 59040), (1230, 58704), (1312, 55035), (1440, 50143), (1476, 48920), (1640, 44028), (1845, 39136), (1968, 36690), (2446, 29520), (2460, 29352), (2952, 24460), (3280, 22014), (3669, 19680), (3690, 19568), (3936, 18345), (4892, 14760), (4920, 14676), (5904, 12230), (6115, 11808), (6560, 11007), (7338, 9840), (7380, 9784)]