80261964

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 216019440

約数和(自身を除く): 135757476

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 313, 419, 612, 626, 838, 939, 1252, 1257, 1676, 1878, 2514, 2817, 3756, 3771, 5028, 5321, 5634, 7123, 7542, 10642, 11268, 14246, 15084, 15963, 21284, 21369, 28492, 31926, 42738, 47889, 63852, 64107, 85476, 95778, 128214, 131147, 191556, 256428, 262294, 393441, 524588, 786882, 1180323, 1573764, 2229499, 2360646, 4458998, 4721292, 6688497, 8917996, 13376994, 20065491, 26753988, 40130982, 80261964]

約数ペア:

[(1, 80261964), (2, 40130982), (3, 26753988), (4, 20065491), (6, 13376994), (9, 8917996), (12, 6688497), (17, 4721292), (18, 4458998), (34, 2360646), (36, 2229499), (51, 1573764), (68, 1180323), (102, 786882), (153, 524588), (204, 393441), (306, 262294), (313, 256428), (419, 191556), (612, 131147), (626, 128214), (838, 95778), (939, 85476), (1252, 64107), (1257, 63852), (1676, 47889), (1878, 42738), (2514, 31926), (2817, 28492), (3756, 21369), (3771, 21284), (5028, 15963), (5321, 15084), (5634, 14246), (7123, 11268), (7542, 10642)]