76828080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 240

約数和(自身を含む): 284981760

約数和(自身を除く): 208153680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 49, 56, 60, 70, 80, 84, 94, 98, 105, 112, 120, 139, 140, 141, 147, 168, 188, 196, 210, 235, 240, 245, 278, 280, 282, 294, 329, 336, 376, 392, 417, 420, 470, 490, 556, 560, 564, 588, 658, 695, 705, 735, 752, 784, 834, 840, 940, 973, 980, 987, 1112, 1128, 1176, 1316, 1390, 1410, 1470, 1645, 1668, 1680, 1880, 1946, 1960, 1974, 2085, 2224, 2256, 2303, 2352, 2632, 2780, 2820, 2919, 2940, 3290, 3336, 3760, 3892, 3920, 3948, 4170, 4606, 4865, 4935, 5264, 5560, 5640, 5838, 5880, 6533, 6580, 6672, 6811, 6909, 7784, 7896, 8340, 9212, 9730, 9870, 11120, 11280, 11515, 11676, 11760, 13066, 13160, 13622, 13818, 14595, 15568, 15792, 16680, 18424, 19460, 19599, 19740, 20433, 23030, 23352, 26132, 26320, 27244, 27636, 29190, 32665, 33360, 34055, 34545, 36848, 38920, 39198, 39480, 40866, 45731, 46060, 46704, 52264, 54488, 55272, 58380, 65330, 68110, 69090, 77840, 78396, 78960, 81732, 91462, 92120, 97995, 102165, 104528, 108976, 110544, 116760, 130660, 136220, 137193, 138180, 156792, 163464, 182924, 184240, 195990, 204330, 228655, 233520, 261320, 272440, 274386, 276360, 313584, 320117, 326928, 365848, 391980, 408660, 457310, 522640, 544880, 548772, 552720, 640234, 685965, 731696, 783960, 817320, 914620, 960351, 1097544, 1280468, 1371930, 1567920, 1600585, 1634640, 1829240, 1920702, 2195088, 2560936, 2743860, 3201170, 3658480, 3841404, 4801755, 5121872, 5487720, 6402340, 7682808, 9603510, 10975440, 12804680, 15365616, 19207020, 25609360, 38414040, 76828080]

約数ペア:

[(1, 76828080), (2, 38414040), (3, 25609360), (4, 19207020), (5, 15365616), (6, 12804680), (7, 10975440), (8, 9603510), (10, 7682808), (12, 6402340), (14, 5487720), (15, 5121872), (16, 4801755), (20, 3841404), (21, 3658480), (24, 3201170), (28, 2743860), (30, 2560936), (35, 2195088), (40, 1920702), (42, 1829240), (47, 1634640), (48, 1600585), (49, 1567920), (56, 1371930), (60, 1280468), (70, 1097544), (80, 960351), (84, 914620), (94, 817320), (98, 783960), (105, 731696), (112, 685965), (120, 640234), (139, 552720), (140, 548772), (141, 544880), (147, 522640), (168, 457310), (188, 408660), (196, 391980), (210, 365848), (235, 326928), (240, 320117), (245, 313584), (278, 276360), (280, 274386), (282, 272440), (294, 261320), (329, 233520), (336, 228655), (376, 204330), (392, 195990), (417, 184240), (420, 182924), (470, 163464), (490, 156792), (556, 138180), (560, 137193), (564, 136220), (588, 130660), (658, 116760), (695, 110544), (705, 108976), (735, 104528), (752, 102165), (784, 97995), (834, 92120), (840, 91462), (940, 81732), (973, 78960), (980, 78396), (987, 77840), (1112, 69090), (1128, 68110), (1176, 65330), (1316, 58380), (1390, 55272), (1410, 54488), (1470, 52264), (1645, 46704), (1668, 46060), (1680, 45731), (1880, 40866), (1946, 39480), (1960, 39198), (1974, 38920), (2085, 36848), (2224, 34545), (2256, 34055), (2303, 33360), (2352, 32665), (2632, 29190), (2780, 27636), (2820, 27244), (2919, 26320), (2940, 26132), (3290, 23352), (3336, 23030), (3760, 20433), (3892, 19740), (3920, 19599), (3948, 19460), (4170, 18424), (4606, 16680), (4865, 15792), (4935, 15568), (5264, 14595), (5560, 13818), (5640, 13622), (5838, 13160), (5880, 13066), (6533, 11760), (6580, 11676), (6672, 11515), (6811, 11280), (6909, 11120), (7784, 9870), (7896, 9730), (8340, 9212)]