81595080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 256

約数和(自身を含む): 319334400

約数和(自身を除く): 237739320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 215, 216, 251, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 430, 502, 504, 516, 540, 602, 630, 645, 753, 756, 774, 840, 860, 903, 945, 1004, 1032, 1080, 1161, 1204, 1255, 1260, 1290, 1505, 1506, 1512, 1548, 1720, 1757, 1806, 1890, 1935, 2008, 2259, 2322, 2408, 2510, 2520, 2580, 2709, 3010, 3012, 3096, 3514, 3612, 3765, 3780, 3870, 4515, 4518, 4644, 5020, 5160, 5271, 5418, 5805, 6020, 6024, 6777, 7028, 7224, 7530, 7560, 7740, 8127, 8785, 9030, 9036, 9288, 10040, 10542, 10793, 10836, 11295, 11610, 12040, 13545, 13554, 14056, 15060, 15480, 15813, 16254, 17570, 18060, 18072, 21084, 21586, 21672, 22590, 23220, 26355, 27090, 27108, 30120, 31626, 32379, 32508, 33885, 35140, 36120, 40635, 42168, 43172, 45180, 46440, 47439, 52710, 53965, 54180, 54216, 63252, 64758, 65016, 67770, 70280, 75551, 79065, 81270, 86344, 90360, 94878, 97137, 105420, 107930, 108360, 126504, 129516, 135540, 151102, 158130, 161895, 162540, 189756, 194274, 210840, 215860, 226653, 237195, 259032, 271080, 291411, 302204, 316260, 323790, 325080, 377755, 379512, 388548, 431720, 453306, 474390, 485685, 582822, 604408, 632520, 647580, 679959, 755510, 777096, 906612, 948780, 971370, 1133265, 1165644, 1295160, 1359918, 1457055, 1511020, 1813224, 1897560, 1942740, 2039877, 2266530, 2331288, 2719836, 2914110, 3022040, 3399795, 3885480, 4079754, 4533060, 5439672, 5828220, 6799590, 8159508, 9066120, 10199385, 11656440, 13599180, 16319016, 20398770, 27198360, 40797540, 81595080]

約数ペア:

[(1, 81595080), (2, 40797540), (3, 27198360), (4, 20398770), (5, 16319016), (6, 13599180), (7, 11656440), (8, 10199385), (9, 9066120), (10, 8159508), (12, 6799590), (14, 5828220), (15, 5439672), (18, 4533060), (20, 4079754), (21, 3885480), (24, 3399795), (27, 3022040), (28, 2914110), (30, 2719836), (35, 2331288), (36, 2266530), (40, 2039877), (42, 1942740), (43, 1897560), (45, 1813224), (54, 1511020), (56, 1457055), (60, 1359918), (63, 1295160), (70, 1165644), (72, 1133265), (84, 971370), (86, 948780), (90, 906612), (105, 777096), (108, 755510), (120, 679959), (126, 647580), (129, 632520), (135, 604408), (140, 582822), (168, 485685), (172, 474390), (180, 453306), (189, 431720), (210, 388548), (215, 379512), (216, 377755), (251, 325080), (252, 323790), (258, 316260), (270, 302204), (280, 291411), (301, 271080), (315, 259032), (344, 237195), (360, 226653), (378, 215860), (387, 210840), (420, 194274), (430, 189756), (502, 162540), (504, 161895), (516, 158130), (540, 151102), (602, 135540), (630, 129516), (645, 126504), (753, 108360), (756, 107930), (774, 105420), (840, 97137), (860, 94878), (903, 90360), (945, 86344), (1004, 81270), (1032, 79065), (1080, 75551), (1161, 70280), (1204, 67770), (1255, 65016), (1260, 64758), (1290, 63252), (1505, 54216), (1506, 54180), (1512, 53965), (1548, 52710), (1720, 47439), (1757, 46440), (1806, 45180), (1890, 43172), (1935, 42168), (2008, 40635), (2259, 36120), (2322, 35140), (2408, 33885), (2510, 32508), (2520, 32379), (2580, 31626), (2709, 30120), (3010, 27108), (3012, 27090), (3096, 26355), (3514, 23220), (3612, 22590), (3765, 21672), (3780, 21586), (3870, 21084), (4515, 18072), (4518, 18060), (4644, 17570), (5020, 16254), (5160, 15813), (5271, 15480), (5418, 15060), (5805, 14056), (6020, 13554), (6024, 13545), (6777, 12040), (7028, 11610), (7224, 11295), (7530, 10836), (7560, 10793), (7740, 10542), (8127, 10040), (8785, 9288), (9030, 9036)]