280272135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 582906240

約数和(自身を除く): 302634105

約数列:

[1, 3, 5, 11, 13, 15, 19, 23, 33, 39, 55, 57, 65, 69, 95, 115, 143, 165, 169, 195, 209, 247, 253, 285, 299, 345, 429, 437, 507, 529, 627, 715, 741, 759, 845, 897, 1045, 1235, 1265, 1311, 1495, 1587, 1859, 2145, 2185, 2535, 2645, 2717, 3135, 3211, 3289, 3705, 3795, 3887, 4485, 4807, 5577, 5681, 5819, 6555, 6877, 7935, 8151, 9295, 9633, 9867, 10051, 11661, 13585, 14421, 16055, 16445, 17043, 17457, 19435, 20631, 24035, 27885, 28405, 29095, 30153, 34385, 35321, 40755, 42757, 48165, 49335, 50255, 58305, 62491, 72105, 73853, 75647, 85215, 87285, 89401, 103155, 105963, 110561, 128271, 130663, 150765, 176605, 187473, 213785, 221559, 226941, 268203, 312455, 331683, 369265, 378235, 391989, 447005, 529815, 552805, 641355, 653315, 812383, 937365, 983411, 1107795, 1134705, 1341015, 1437293, 1658415, 1698619, 1959945, 2437149, 2950233, 4061915, 4311879, 4917055, 5095857, 7186465, 8493095, 12185745, 14751165, 18684809, 21559395, 25479285, 56054427, 93424045, 280272135]

約数ペア:

[(1, 280272135), (3, 93424045), (5, 56054427), (11, 25479285), (13, 21559395), (15, 18684809), (19, 14751165), (23, 12185745), (33, 8493095), (39, 7186465), (55, 5095857), (57, 4917055), (65, 4311879), (69, 4061915), (95, 2950233), (115, 2437149), (143, 1959945), (165, 1698619), (169, 1658415), (195, 1437293), (209, 1341015), (247, 1134705), (253, 1107795), (285, 983411), (299, 937365), (345, 812383), (429, 653315), (437, 641355), (507, 552805), (529, 529815), (627, 447005), (715, 391989), (741, 378235), (759, 369265), (845, 331683), (897, 312455), (1045, 268203), (1235, 226941), (1265, 221559), (1311, 213785), (1495, 187473), (1587, 176605), (1859, 150765), (2145, 130663), (2185, 128271), (2535, 110561), (2645, 105963), (2717, 103155), (3135, 89401), (3211, 87285), (3289, 85215), (3705, 75647), (3795, 73853), (3887, 72105), (4485, 62491), (4807, 58305), (5577, 50255), (5681, 49335), (5819, 48165), (6555, 42757), (6877, 40755), (7935, 35321), (8151, 34385), (9295, 30153), (9633, 29095), (9867, 28405), (10051, 27885), (11661, 24035), (13585, 20631), (14421, 19435), (16055, 17457), (16445, 17043)]