68780502

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:615

約数の個数: 80

約数和(自身を含む): 177864192

約数和(自身を除く): 109083690

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 131, 162, 189, 262, 378, 393, 463, 567, 786, 917, 926, 1134, 1179, 1389, 1834, 2358, 2751, 2778, 3241, 3537, 4167, 5502, 6482, 7074, 8253, 8334, 9723, 10611, 12501, 16506, 19446, 21222, 24759, 25002, 29169, 37503, 49518, 58338, 60653, 74277, 75006, 87507, 121306, 148554, 175014, 181959, 262521, 363918, 424571, 525042, 545877, 849142, 1091754, 1273713, 1637631, 2547426, 3275262, 3821139, 4912893, 7642278, 9825786, 11463417, 22926834, 34390251, 68780502]

約数ペア:

[(1, 68780502), (2, 34390251), (3, 22926834), (6, 11463417), (7, 9825786), (9, 7642278), (14, 4912893), (18, 3821139), (21, 3275262), (27, 2547426), (42, 1637631), (54, 1273713), (63, 1091754), (81, 849142), (126, 545877), (131, 525042), (162, 424571), (189, 363918), (262, 262521), (378, 181959), (393, 175014), (463, 148554), (567, 121306), (786, 87507), (917, 75006), (926, 74277), (1134, 60653), (1179, 58338), (1389, 49518), (1834, 37503), (2358, 29169), (2751, 25002), (2778, 24759), (3241, 21222), (3537, 19446), (4167, 16506), (5502, 12501), (6482, 10611), (7074, 9723), (8253, 8334)]