81776448

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 168

約数和(自身を含む): 257767328

約数和(自身を除く): 175990880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 67, 72, 78, 96, 104, 117, 134, 144, 156, 163, 192, 201, 208, 234, 268, 288, 312, 326, 402, 416, 468, 489, 536, 576, 603, 624, 652, 804, 832, 871, 936, 978, 1072, 1206, 1248, 1304, 1467, 1608, 1742, 1872, 1956, 2119, 2144, 2412, 2496, 2608, 2613, 2934, 3216, 3484, 3744, 3912, 4238, 4288, 4824, 5216, 5226, 5868, 6357, 6432, 6968, 7488, 7824, 7839, 8476, 9648, 10432, 10452, 10921, 11736, 12714, 12864, 13936, 15648, 15678, 16952, 19071, 19296, 20904, 21842, 23472, 25428, 27872, 31296, 31356, 32763, 33904, 38142, 38592, 41808, 43684, 46944, 50856, 55744, 62712, 65526, 67808, 76284, 83616, 87368, 93888, 98289, 101712, 125424, 131052, 135616, 141973, 152568, 167232, 174736, 196578, 203424, 250848, 262104, 283946, 305136, 349472, 393156, 406848, 425919, 501696, 524208, 567892, 610272, 698944, 786312, 851838, 1048416, 1135784, 1220544, 1277757, 1572624, 1703676, 2096832, 2271568, 2555514, 3145248, 3407352, 4543136, 5111028, 6290496, 6814704, 9086272, 10222056, 13629408, 20444112, 27258816, 40888224, 81776448]

約数ペア:

[(1, 81776448), (2, 40888224), (3, 27258816), (4, 20444112), (6, 13629408), (8, 10222056), (9, 9086272), (12, 6814704), (13, 6290496), (16, 5111028), (18, 4543136), (24, 3407352), (26, 3145248), (32, 2555514), (36, 2271568), (39, 2096832), (48, 1703676), (52, 1572624), (64, 1277757), (67, 1220544), (72, 1135784), (78, 1048416), (96, 851838), (104, 786312), (117, 698944), (134, 610272), (144, 567892), (156, 524208), (163, 501696), (192, 425919), (201, 406848), (208, 393156), (234, 349472), (268, 305136), (288, 283946), (312, 262104), (326, 250848), (402, 203424), (416, 196578), (468, 174736), (489, 167232), (536, 152568), (576, 141973), (603, 135616), (624, 131052), (652, 125424), (804, 101712), (832, 98289), (871, 93888), (936, 87368), (978, 83616), (1072, 76284), (1206, 67808), (1248, 65526), (1304, 62712), (1467, 55744), (1608, 50856), (1742, 46944), (1872, 43684), (1956, 41808), (2119, 38592), (2144, 38142), (2412, 33904), (2496, 32763), (2608, 31356), (2613, 31296), (2934, 27872), (3216, 25428), (3484, 23472), (3744, 21842), (3912, 20904), (4238, 19296), (4288, 19071), (4824, 16952), (5216, 15678), (5226, 15648), (5868, 13936), (6357, 12864), (6432, 12714), (6968, 11736), (7488, 10921), (7824, 10452), (7839, 10432), (8476, 9648)]