128606445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 275857920

約数和(自身を除く): 147251475

約数列:

[1, 3, 5, 9, 11, 15, 17, 29, 31, 33, 45, 51, 55, 85, 87, 93, 99, 145, 153, 155, 165, 187, 255, 261, 279, 289, 319, 341, 435, 465, 493, 495, 527, 561, 765, 867, 899, 935, 957, 1023, 1305, 1395, 1445, 1479, 1581, 1595, 1683, 1705, 2465, 2601, 2635, 2697, 2805, 2871, 3069, 3179, 4335, 4437, 4495, 4743, 4785, 5115, 5423, 5797, 7395, 7905, 8091, 8381, 8415, 8959, 9537, 9889, 13005, 13485, 14355, 15283, 15345, 15895, 16269, 17391, 22185, 23715, 25143, 26877, 27115, 28611, 28985, 29667, 40455, 41905, 44795, 45849, 47685, 48807, 49445, 52173, 75429, 76415, 80631, 81345, 86955, 89001, 92191, 98549, 125715, 134385, 137547, 143055, 148335, 168113, 229245, 244035, 259811, 260865, 276573, 295647, 377145, 403155, 445005, 460955, 492745, 504339, 687735, 779433, 829719, 840565, 886941, 1299055, 1382865, 1478235, 1513017, 2338299, 2521695, 2857921, 3897165, 4148595, 4434705, 7565085, 8573763, 11691495, 14289605, 25721289, 42868815, 128606445]

約数ペア:

[(1, 128606445), (3, 42868815), (5, 25721289), (9, 14289605), (11, 11691495), (15, 8573763), (17, 7565085), (29, 4434705), (31, 4148595), (33, 3897165), (45, 2857921), (51, 2521695), (55, 2338299), (85, 1513017), (87, 1478235), (93, 1382865), (99, 1299055), (145, 886941), (153, 840565), (155, 829719), (165, 779433), (187, 687735), (255, 504339), (261, 492745), (279, 460955), (289, 445005), (319, 403155), (341, 377145), (435, 295647), (465, 276573), (493, 260865), (495, 259811), (527, 244035), (561, 229245), (765, 168113), (867, 148335), (899, 143055), (935, 137547), (957, 134385), (1023, 125715), (1305, 98549), (1395, 92191), (1445, 89001), (1479, 86955), (1581, 81345), (1595, 80631), (1683, 76415), (1705, 75429), (2465, 52173), (2601, 49445), (2635, 48807), (2697, 47685), (2805, 45849), (2871, 44795), (3069, 41905), (3179, 40455), (4335, 29667), (4437, 28985), (4495, 28611), (4743, 27115), (4785, 26877), (5115, 25143), (5423, 23715), (5797, 22185), (7395, 17391), (7905, 16269), (8091, 15895), (8381, 15345), (8415, 15283), (8959, 14355), (9537, 13485), (9889, 13005)]