1020744720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 240

約数和(自身を含む): 3602626560

約数和(自身を除く): 2581881840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 127, 135, 144, 180, 183, 216, 240, 244, 254, 270, 305, 360, 366, 381, 432, 488, 508, 540, 549, 610, 635, 720, 732, 762, 915, 976, 1016, 1080, 1098, 1143, 1220, 1270, 1464, 1524, 1647, 1830, 1905, 2032, 2160, 2196, 2286, 2440, 2540, 2745, 2928, 3048, 3294, 3429, 3660, 3721, 3810, 4392, 4572, 4880, 5080, 5490, 5715, 6096, 6588, 6858, 7320, 7442, 7620, 7747, 8235, 8784, 9144, 10160, 10980, 11163, 11430, 13176, 13716, 14640, 14884, 15240, 15494, 16470, 17145, 18288, 18605, 21960, 22326, 22860, 23241, 26352, 27432, 29768, 30480, 30988, 32940, 33489, 34290, 37210, 38735, 43920, 44652, 45720, 46482, 54864, 55815, 59536, 61976, 65880, 66978, 68580, 69723, 74420, 77470, 89304, 91440, 92964, 100467, 111630, 116205, 123952, 131760, 133956, 137160, 139446, 148840, 154940, 167445, 178608, 185928, 200934, 209169, 223260, 232410, 267912, 274320, 278892, 297680, 309880, 334890, 348615, 371856, 401868, 418338, 446520, 464820, 472567, 502335, 535824, 557784, 619760, 669780, 697230, 803736, 836676, 893040, 929640, 945134, 1004670, 1045845, 1115568, 1339560, 1394460, 1417701, 1607472, 1673352, 1859280, 1890268, 2009340, 2091690, 2362835, 2679120, 2788920, 2835402, 3346704, 3780536, 4018680, 4183380, 4253103, 4725670, 5577840, 5670804, 7088505, 7561072, 8037360, 8366760, 8506206, 9451340, 11341608, 12759309, 14177010, 16733520, 17012412, 18902680, 21265515, 22683216, 25518618, 28354020, 34024824, 37805360, 42531030, 51037236, 56708040, 63796545, 68049648, 85062060, 102074472, 113416080, 127593090, 170124120, 204148944, 255186180, 340248240, 510372360, 1020744720]

約数ペア:

[(1, 1020744720), (2, 510372360), (3, 340248240), (4, 255186180), (5, 204148944), (6, 170124120), (8, 127593090), (9, 113416080), (10, 102074472), (12, 85062060), (15, 68049648), (16, 63796545), (18, 56708040), (20, 51037236), (24, 42531030), (27, 37805360), (30, 34024824), (36, 28354020), (40, 25518618), (45, 22683216), (48, 21265515), (54, 18902680), (60, 17012412), (61, 16733520), (72, 14177010), (80, 12759309), (90, 11341608), (108, 9451340), (120, 8506206), (122, 8366760), (127, 8037360), (135, 7561072), (144, 7088505), (180, 5670804), (183, 5577840), (216, 4725670), (240, 4253103), (244, 4183380), (254, 4018680), (270, 3780536), (305, 3346704), (360, 2835402), (366, 2788920), (381, 2679120), (432, 2362835), (488, 2091690), (508, 2009340), (540, 1890268), (549, 1859280), (610, 1673352), (635, 1607472), (720, 1417701), (732, 1394460), (762, 1339560), (915, 1115568), (976, 1045845), (1016, 1004670), (1080, 945134), (1098, 929640), (1143, 893040), (1220, 836676), (1270, 803736), (1464, 697230), (1524, 669780), (1647, 619760), (1830, 557784), (1905, 535824), (2032, 502335), (2160, 472567), (2196, 464820), (2286, 446520), (2440, 418338), (2540, 401868), (2745, 371856), (2928, 348615), (3048, 334890), (3294, 309880), (3429, 297680), (3660, 278892), (3721, 274320), (3810, 267912), (4392, 232410), (4572, 223260), (4880, 209169), (5080, 200934), (5490, 185928), (5715, 178608), (6096, 167445), (6588, 154940), (6858, 148840), (7320, 139446), (7442, 137160), (7620, 133956), (7747, 131760), (8235, 123952), (8784, 116205), (9144, 111630), (10160, 100467), (10980, 92964), (11163, 91440), (11430, 89304), (13176, 77470), (13716, 74420), (14640, 69723), (14884, 68580), (15240, 66978), (15494, 65880), (16470, 61976), (17145, 59536), (18288, 55815), (18605, 54864), (21960, 46482), (22326, 45720), (22860, 44652), (23241, 43920), (26352, 38735), (27432, 37210), (29768, 34290), (30480, 33489), (30988, 32940)]