181031680

素因数分解:

$2^8\times 5^1\times {\mathrm{233}}^1\times {\mathrm{607}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 436205952

約数和(自身を除く): 255174272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 256, 320, 466, 607, 640, 932, 1165, 1214, 1280, 1864, 2330, 2428, 3035, 3728, 4660, 4856, 6070, 7456, 9320, 9712, 12140, 14912, 18640, 19424, 24280, 29824, 37280, 38848, 48560, 59648, 74560, 77696, 97120, 141431, 149120, 155392, 194240, 282862, 298240, 388480, 565724, 707155, 776960, 1131448, 1414310, 2262896, 2828620, 4525792, 5657240, 9051584, 11314480, 18103168, 22628960, 36206336, 45257920, 90515840, 181031680]

約数ペア:

[(1, 181031680), (2, 90515840), (4, 45257920), (5, 36206336), (8, 22628960), (10, 18103168), (16, 11314480), (20, 9051584), (32, 5657240), (40, 4525792), (64, 2828620), (80, 2262896), (128, 1414310), (160, 1131448), (233, 776960), (256, 707155), (320, 565724), (466, 388480), (607, 298240), (640, 282862), (932, 194240), (1165, 155392), (1214, 149120), (1280, 141431), (1864, 97120), (2330, 77696), (2428, 74560), (3035, 59648), (3728, 48560), (4660, 38848), (4856, 37280), (6070, 29824), (7456, 24280), (9320, 19424), (9712, 18640), (12140, 14912)]