80540280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{547}}^1$

素因数の和:973

約数の個数: 96

約数和(自身を含む): 262875600

約数和(自身を除く): 182335320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 409, 547, 818, 1094, 1227, 1636, 1641, 2045, 2188, 2454, 2735, 3272, 3282, 3681, 4090, 4376, 4908, 4923, 5470, 6135, 6564, 7362, 8180, 8205, 9816, 9846, 10940, 12270, 13128, 14724, 16360, 16410, 18405, 19692, 21880, 24540, 24615, 29448, 32820, 36810, 39384, 49080, 49230, 65640, 73620, 98460, 147240, 196920, 223723, 447446, 671169, 894892, 1118615, 1342338, 1789784, 2013507, 2237230, 2684676, 3355845, 4027014, 4474460, 5369352, 6711690, 8054028, 8948920, 10067535, 13423380, 16108056, 20135070, 26846760, 40270140, 80540280]

約数ペア:

[(1, 80540280), (2, 40270140), (3, 26846760), (4, 20135070), (5, 16108056), (6, 13423380), (8, 10067535), (9, 8948920), (10, 8054028), (12, 6711690), (15, 5369352), (18, 4474460), (20, 4027014), (24, 3355845), (30, 2684676), (36, 2237230), (40, 2013507), (45, 1789784), (60, 1342338), (72, 1118615), (90, 894892), (120, 671169), (180, 447446), (360, 223723), (409, 196920), (547, 147240), (818, 98460), (1094, 73620), (1227, 65640), (1636, 49230), (1641, 49080), (2045, 39384), (2188, 36810), (2454, 32820), (2735, 29448), (3272, 24615), (3282, 24540), (3681, 21880), (4090, 19692), (4376, 18405), (4908, 16410), (4923, 16360), (5470, 14724), (6135, 13128), (6564, 12270), (7362, 10940), (8180, 9846), (8205, 9816)]