67646745

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 130680000

約数和(自身を除く): 63033255

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 81, 95, 135, 149, 171, 177, 285, 295, 405, 447, 513, 531, 745, 855, 885, 1121, 1341, 1539, 1593, 2235, 2565, 2655, 2831, 3363, 4023, 4779, 5605, 6705, 7695, 7965, 8493, 8791, 10089, 12069, 14155, 16815, 20115, 23895, 25479, 26373, 30267, 42465, 43955, 50445, 60345, 76437, 79119, 90801, 127395, 131865, 151335, 167029, 229311, 237357, 382185, 395595, 454005, 501087, 712071, 835145, 1146555, 1186785, 1503261, 2505435, 3560355, 4509783, 7516305, 13529349, 22548915, 67646745]

約数ペア:

[(1, 67646745), (3, 22548915), (5, 13529349), (9, 7516305), (15, 4509783), (19, 3560355), (27, 2505435), (45, 1503261), (57, 1186785), (59, 1146555), (81, 835145), (95, 712071), (135, 501087), (149, 454005), (171, 395595), (177, 382185), (285, 237357), (295, 229311), (405, 167029), (447, 151335), (513, 131865), (531, 127395), (745, 90801), (855, 79119), (885, 76437), (1121, 60345), (1341, 50445), (1539, 43955), (1593, 42465), (2235, 30267), (2565, 26373), (2655, 25479), (2831, 23895), (3363, 20115), (4023, 16815), (4779, 14155), (5605, 12069), (6705, 10089), (7695, 8791), (7965, 8493)]