81111800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 246412800

約数和(自身を除く): 165301000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 25, 28, 35, 40, 44, 46, 50, 55, 56, 70, 77, 88, 92, 100, 110, 115, 140, 154, 161, 175, 184, 200, 220, 229, 230, 253, 275, 280, 308, 322, 350, 385, 440, 458, 460, 506, 550, 575, 616, 644, 700, 770, 805, 916, 920, 1012, 1100, 1145, 1150, 1265, 1288, 1400, 1540, 1603, 1610, 1771, 1832, 1925, 2024, 2200, 2290, 2300, 2519, 2530, 3080, 3206, 3220, 3542, 3850, 4025, 4580, 4600, 5038, 5060, 5267, 5725, 6325, 6412, 6440, 7084, 7700, 8015, 8050, 8855, 9160, 10076, 10120, 10534, 11450, 12595, 12650, 12824, 14168, 15400, 16030, 16100, 17633, 17710, 20152, 21068, 22900, 25190, 25300, 26335, 32060, 32200, 35266, 35420, 36869, 40075, 42136, 44275, 45800, 50380, 50600, 52670, 57937, 62975, 64120, 70532, 70840, 73738, 80150, 88165, 88550, 100760, 105340, 115874, 125950, 131675, 141064, 147476, 160300, 176330, 177100, 184345, 210680, 231748, 251900, 263350, 289685, 294952, 320600, 352660, 354200, 368690, 405559, 440825, 463496, 503800, 526700, 579370, 705320, 737380, 811118, 881650, 921725, 1053400, 1158740, 1448425, 1474760, 1622236, 1763300, 1843450, 2027795, 2317480, 2896850, 3244472, 3526600, 3686900, 4055590, 5793700, 7373800, 8111180, 10138975, 11587400, 16222360, 20277950, 40555900, 81111800]

約数ペア:

[(1, 81111800), (2, 40555900), (4, 20277950), (5, 16222360), (7, 11587400), (8, 10138975), (10, 8111180), (11, 7373800), (14, 5793700), (20, 4055590), (22, 3686900), (23, 3526600), (25, 3244472), (28, 2896850), (35, 2317480), (40, 2027795), (44, 1843450), (46, 1763300), (50, 1622236), (55, 1474760), (56, 1448425), (70, 1158740), (77, 1053400), (88, 921725), (92, 881650), (100, 811118), (110, 737380), (115, 705320), (140, 579370), (154, 526700), (161, 503800), (175, 463496), (184, 440825), (200, 405559), (220, 368690), (229, 354200), (230, 352660), (253, 320600), (275, 294952), (280, 289685), (308, 263350), (322, 251900), (350, 231748), (385, 210680), (440, 184345), (458, 177100), (460, 176330), (506, 160300), (550, 147476), (575, 141064), (616, 131675), (644, 125950), (700, 115874), (770, 105340), (805, 100760), (916, 88550), (920, 88165), (1012, 80150), (1100, 73738), (1145, 70840), (1150, 70532), (1265, 64120), (1288, 62975), (1400, 57937), (1540, 52670), (1603, 50600), (1610, 50380), (1771, 45800), (1832, 44275), (1925, 42136), (2024, 40075), (2200, 36869), (2290, 35420), (2300, 35266), (2519, 32200), (2530, 32060), (3080, 26335), (3206, 25300), (3220, 25190), (3542, 22900), (3850, 21068), (4025, 20152), (4580, 17710), (4600, 17633), (5038, 16100), (5060, 16030), (5267, 15400), (5725, 14168), (6325, 12824), (6412, 12650), (6440, 12595), (7084, 11450), (7700, 10534), (8015, 10120), (8050, 10076), (8855, 9160)]