81379340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1167

約数の個数: 96

約数和(自身を含む): 213663744

約数和(自身を除く): 132284404

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 434, 476, 527, 595, 620, 868, 1054, 1085, 1103, 1190, 2108, 2170, 2206, 2380, 2635, 3689, 4340, 4412, 5270, 5515, 7378, 7721, 10540, 11030, 14756, 15442, 18445, 18751, 22060, 30884, 34193, 36890, 37502, 38605, 68386, 73780, 75004, 77210, 93755, 131257, 136772, 154420, 170965, 187510, 239351, 262514, 341930, 375020, 478702, 525028, 581281, 656285, 683860, 957404, 1162562, 1196755, 1312570, 2325124, 2393510, 2625140, 2906405, 4068967, 4787020, 5812810, 8137934, 11625620, 16275868, 20344835, 40689670, 81379340]

約数ペア:

[(1, 81379340), (2, 40689670), (4, 20344835), (5, 16275868), (7, 11625620), (10, 8137934), (14, 5812810), (17, 4787020), (20, 4068967), (28, 2906405), (31, 2625140), (34, 2393510), (35, 2325124), (62, 1312570), (68, 1196755), (70, 1162562), (85, 957404), (119, 683860), (124, 656285), (140, 581281), (155, 525028), (170, 478702), (217, 375020), (238, 341930), (310, 262514), (340, 239351), (434, 187510), (476, 170965), (527, 154420), (595, 136772), (620, 131257), (868, 93755), (1054, 77210), (1085, 75004), (1103, 73780), (1190, 68386), (2108, 38605), (2170, 37502), (2206, 36890), (2380, 34193), (2635, 30884), (3689, 22060), (4340, 18751), (4412, 18445), (5270, 15442), (5515, 14756), (7378, 11030), (7721, 10540)]