131220288

素因数分解:

$2^6\times 3^2\times {\mathrm{409}}^1\times {\mathrm{557}}^1$

素因数の和:984

約数の個数: 84

約数和(自身を含む): 377715780

約数和(自身を除く): 246495492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 409, 557, 576, 818, 1114, 1227, 1636, 1671, 2228, 2454, 3272, 3342, 3681, 4456, 4908, 5013, 6544, 6684, 7362, 8912, 9816, 10026, 13088, 13368, 14724, 17824, 19632, 20052, 26176, 26736, 29448, 35648, 39264, 40104, 53472, 58896, 78528, 80208, 106944, 117792, 160416, 227813, 235584, 320832, 455626, 683439, 911252, 1366878, 1822504, 2050317, 2733756, 3645008, 4100634, 5467512, 7290016, 8201268, 10935024, 14580032, 16402536, 21870048, 32805072, 43740096, 65610144, 131220288]

約数ペア:

[(1, 131220288), (2, 65610144), (3, 43740096), (4, 32805072), (6, 21870048), (8, 16402536), (9, 14580032), (12, 10935024), (16, 8201268), (18, 7290016), (24, 5467512), (32, 4100634), (36, 3645008), (48, 2733756), (64, 2050317), (72, 1822504), (96, 1366878), (144, 911252), (192, 683439), (288, 455626), (409, 320832), (557, 235584), (576, 227813), (818, 160416), (1114, 117792), (1227, 106944), (1636, 80208), (1671, 78528), (2228, 58896), (2454, 53472), (3272, 40104), (3342, 39264), (3681, 35648), (4456, 29448), (4908, 26736), (5013, 26176), (6544, 20052), (6684, 19632), (7362, 17824), (8912, 14724), (9816, 13368), (10026, 13088)]