15691521968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{45389}}^1$

素因数の和:45486

約数の個数: 80

約数和(自身を含む): 34040321280

約数和(自身を除く): 18348799312

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 41, 62, 68, 82, 124, 136, 164, 248, 272, 328, 496, 527, 656, 697, 1054, 1271, 1394, 2108, 2542, 2788, 4216, 5084, 5576, 8432, 10168, 11152, 20336, 21607, 43214, 45389, 86428, 90778, 172856, 181556, 345712, 363112, 726224, 771613, 1407059, 1543226, 1860949, 2814118, 3086452, 3721898, 5628236, 6172904, 7443796, 11256472, 12345808, 14887592, 22512944, 23920003, 29775184, 31636133, 47840006, 57689419, 63272266, 95680012, 115378838, 126544532, 191360024, 230757676, 253089064, 382720048, 461515352, 506178128, 923030704, 980720123, 1961440246, 3922880492, 7845760984, 15691521968]

約数ペア:

[(1, 15691521968), (2, 7845760984), (4, 3922880492), (8, 1961440246), (16, 980720123), (17, 923030704), (31, 506178128), (34, 461515352), (41, 382720048), (62, 253089064), (68, 230757676), (82, 191360024), (124, 126544532), (136, 115378838), (164, 95680012), (248, 63272266), (272, 57689419), (328, 47840006), (496, 31636133), (527, 29775184), (656, 23920003), (697, 22512944), (1054, 14887592), (1271, 12345808), (1394, 11256472), (2108, 7443796), (2542, 6172904), (2788, 5628236), (4216, 3721898), (5084, 3086452), (5576, 2814118), (8432, 1860949), (10168, 1543226), (11152, 1407059), (20336, 771613), (21607, 726224), (43214, 363112), (45389, 345712), (86428, 181556), (90778, 172856)]