68787015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 128770560

約数和(自身を除く): 59983545

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 137, 165, 179, 187, 255, 411, 537, 561, 685, 895, 935, 1507, 1969, 2055, 2329, 2685, 2805, 3043, 4521, 5907, 6987, 7535, 9129, 9845, 11645, 15215, 22605, 24523, 25619, 29535, 33473, 34935, 45645, 73569, 76857, 100419, 122615, 128095, 167365, 269753, 367845, 384285, 416891, 502095, 809259, 1250673, 1348765, 2084455, 4046295, 4585801, 6253365, 13757403, 22929005, 68787015]

約数ペア:

[(1, 68787015), (3, 22929005), (5, 13757403), (11, 6253365), (15, 4585801), (17, 4046295), (33, 2084455), (51, 1348765), (55, 1250673), (85, 809259), (137, 502095), (165, 416891), (179, 384285), (187, 367845), (255, 269753), (411, 167365), (537, 128095), (561, 122615), (685, 100419), (895, 76857), (935, 73569), (1507, 45645), (1969, 34935), (2055, 33473), (2329, 29535), (2685, 25619), (2805, 24523), (3043, 22605), (4521, 15215), (5907, 11645), (6987, 9845), (7535, 9129)]