262679664

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 761173504

約数和(自身を除く): 498493840

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 67, 78, 103, 104, 122, 134, 156, 183, 201, 206, 208, 244, 268, 309, 312, 366, 402, 412, 488, 536, 618, 624, 732, 793, 804, 824, 871, 976, 1072, 1236, 1339, 1464, 1586, 1608, 1648, 1742, 2379, 2472, 2613, 2678, 2928, 3172, 3216, 3484, 4017, 4087, 4758, 4944, 5226, 5356, 6283, 6344, 6901, 6968, 8034, 8174, 9516, 10452, 10712, 12261, 12566, 12688, 13802, 13936, 16068, 16348, 18849, 19032, 20703, 20904, 21424, 24522, 25132, 27604, 32136, 32696, 37698, 38064, 41406, 41808, 49044, 50264, 53131, 55208, 64272, 65392, 75396, 81679, 82812, 89713, 98088, 100528, 106262, 110416, 150792, 159393, 163358, 165624, 179426, 196176, 212524, 245037, 269139, 301584, 318786, 326716, 331248, 358852, 420961, 425048, 490074, 538278, 637572, 653432, 717704, 841922, 850096, 980148, 1076556, 1262883, 1275144, 1306864, 1435408, 1683844, 1960296, 2153112, 2525766, 2550288, 3367688, 3920592, 4306224, 5051532, 5472493, 6735376, 10103064, 10944986, 16417479, 20206128, 21889972, 32834958, 43779944, 65669916, 87559888, 131339832, 262679664]

約数ペア:

[(1, 262679664), (2, 131339832), (3, 87559888), (4, 65669916), (6, 43779944), (8, 32834958), (12, 21889972), (13, 20206128), (16, 16417479), (24, 10944986), (26, 10103064), (39, 6735376), (48, 5472493), (52, 5051532), (61, 4306224), (67, 3920592), (78, 3367688), (103, 2550288), (104, 2525766), (122, 2153112), (134, 1960296), (156, 1683844), (183, 1435408), (201, 1306864), (206, 1275144), (208, 1262883), (244, 1076556), (268, 980148), (309, 850096), (312, 841922), (366, 717704), (402, 653432), (412, 637572), (488, 538278), (536, 490074), (618, 425048), (624, 420961), (732, 358852), (793, 331248), (804, 326716), (824, 318786), (871, 301584), (976, 269139), (1072, 245037), (1236, 212524), (1339, 196176), (1464, 179426), (1586, 165624), (1608, 163358), (1648, 159393), (1742, 150792), (2379, 110416), (2472, 106262), (2613, 100528), (2678, 98088), (2928, 89713), (3172, 82812), (3216, 81679), (3484, 75396), (4017, 65392), (4087, 64272), (4758, 55208), (4944, 53131), (5226, 50264), (5356, 49044), (6283, 41808), (6344, 41406), (6901, 38064), (6968, 37698), (8034, 32696), (8174, 32136), (9516, 27604), (10452, 25132), (10712, 24522), (12261, 21424), (12566, 20904), (12688, 20703), (13802, 19032), (13936, 18849), (16068, 16348)]