15720138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 42456960

約数和(自身を除く): 26736822

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 41, 42, 51, 63, 82, 102, 119, 123, 126, 153, 179, 238, 246, 287, 306, 357, 358, 369, 537, 574, 697, 714, 738, 861, 1071, 1074, 1253, 1394, 1611, 1722, 2091, 2142, 2506, 2583, 3043, 3222, 3759, 4182, 4879, 5166, 6086, 6273, 7339, 7518, 9129, 9758, 11277, 12546, 14637, 14678, 18258, 21301, 22017, 22554, 27387, 29274, 42602, 43911, 44034, 51373, 54774, 63903, 66051, 87822, 102746, 124763, 127806, 132102, 154119, 191709, 249526, 308238, 374289, 383418, 462357, 748578, 873341, 924714, 1122867, 1746682, 2245734, 2620023, 5240046, 7860069, 15720138]

約数ペア:

[(1, 15720138), (2, 7860069), (3, 5240046), (6, 2620023), (7, 2245734), (9, 1746682), (14, 1122867), (17, 924714), (18, 873341), (21, 748578), (34, 462357), (41, 383418), (42, 374289), (51, 308238), (63, 249526), (82, 191709), (102, 154119), (119, 132102), (123, 127806), (126, 124763), (153, 102746), (179, 87822), (238, 66051), (246, 63903), (287, 54774), (306, 51373), (357, 44034), (358, 43911), (369, 42602), (537, 29274), (574, 27387), (697, 22554), (714, 22017), (738, 21301), (861, 18258), (1071, 14678), (1074, 14637), (1253, 12546), (1394, 11277), (1611, 9758), (1722, 9129), (2091, 7518), (2142, 7339), (2506, 6273), (2583, 6086), (3043, 5166), (3222, 4879), (3759, 4182)]