15781667968

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{107}}^2$

素因数の和:339

約数の個数: 144

約数和(自身を含む): 35276008950

約数和(自身を除く): 19494340982

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 107, 121, 128, 176, 178, 214, 242, 352, 356, 428, 484, 704, 712, 856, 968, 979, 1177, 1408, 1424, 1712, 1936, 1958, 2354, 2848, 3424, 3872, 3916, 4708, 5696, 6848, 7744, 7832, 9416, 9523, 10769, 11392, 11449, 12947, 13696, 15488, 15664, 18832, 19046, 21538, 22898, 25894, 31328, 37664, 38092, 43076, 45796, 51788, 62656, 75328, 76184, 86152, 91592, 103576, 104753, 125312, 125939, 150656, 152368, 172304, 183184, 207152, 209506, 251878, 304736, 344608, 366368, 414304, 419012, 503756, 609472, 689216, 732736, 828608, 838024, 1007512, 1018961, 1152283, 1218944, 1378432, 1385329, 1465472, 1657216, 1676048, 2015024, 2037922, 2304566, 2770658, 3352096, 4030048, 4075844, 4609132, 5541316, 6704192, 8060096, 8151688, 9218264, 11082632, 11208571, 13408384, 16120192, 16303376, 18436528, 22165264, 22417142, 32606752, 36873056, 44330528, 44834284, 65213504, 73746112, 88661056, 89668568, 123294281, 130427008, 147492224, 177322112, 179337136, 246588562, 358674272, 493177124, 717348544, 986354248, 1434697088, 1972708496, 3945416992, 7890833984, 15781667968]

約数ペア:

[(1, 15781667968), (2, 7890833984), (4, 3945416992), (8, 1972708496), (11, 1434697088), (16, 986354248), (22, 717348544), (32, 493177124), (44, 358674272), (64, 246588562), (88, 179337136), (89, 177322112), (107, 147492224), (121, 130427008), (128, 123294281), (176, 89668568), (178, 88661056), (214, 73746112), (242, 65213504), (352, 44834284), (356, 44330528), (428, 36873056), (484, 32606752), (704, 22417142), (712, 22165264), (856, 18436528), (968, 16303376), (979, 16120192), (1177, 13408384), (1408, 11208571), (1424, 11082632), (1712, 9218264), (1936, 8151688), (1958, 8060096), (2354, 6704192), (2848, 5541316), (3424, 4609132), (3872, 4075844), (3916, 4030048), (4708, 3352096), (5696, 2770658), (6848, 2304566), (7744, 2037922), (7832, 2015024), (9416, 1676048), (9523, 1657216), (10769, 1465472), (11392, 1385329), (11449, 1378432), (12947, 1218944), (13696, 1152283), (15488, 1018961), (15664, 1007512), (18832, 838024), (19046, 828608), (21538, 732736), (22898, 689216), (25894, 609472), (31328, 503756), (37664, 419012), (38092, 414304), (43076, 366368), (45796, 344608), (51788, 304736), (62656, 251878), (75328, 209506), (76184, 207152), (86152, 183184), (91592, 172304), (103576, 152368), (104753, 150656), (125312, 125939)]