129840960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:872

約数の個数: 112

約数和(自身を含む): 414844992

約数和(自身を除く): 285004032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 211, 240, 320, 422, 480, 633, 641, 844, 960, 1055, 1266, 1282, 1688, 1923, 2110, 2532, 2564, 3165, 3205, 3376, 3846, 4220, 5064, 5128, 6330, 6410, 6752, 7692, 8440, 9615, 10128, 10256, 12660, 12820, 13504, 15384, 16880, 19230, 20256, 20512, 25320, 25640, 30768, 33760, 38460, 40512, 41024, 50640, 51280, 61536, 67520, 76920, 101280, 102560, 123072, 135251, 153840, 202560, 205120, 270502, 307680, 405753, 541004, 615360, 676255, 811506, 1082008, 1352510, 1623012, 2028765, 2164016, 2705020, 3246024, 4057530, 4328032, 5410040, 6492048, 8115060, 8656064, 10820080, 12984096, 16230120, 21640160, 25968192, 32460240, 43280320, 64920480, 129840960]

約数ペア:

[(1, 129840960), (2, 64920480), (3, 43280320), (4, 32460240), (5, 25968192), (6, 21640160), (8, 16230120), (10, 12984096), (12, 10820080), (15, 8656064), (16, 8115060), (20, 6492048), (24, 5410040), (30, 4328032), (32, 4057530), (40, 3246024), (48, 2705020), (60, 2164016), (64, 2028765), (80, 1623012), (96, 1352510), (120, 1082008), (160, 811506), (192, 676255), (211, 615360), (240, 541004), (320, 405753), (422, 307680), (480, 270502), (633, 205120), (641, 202560), (844, 153840), (960, 135251), (1055, 123072), (1266, 102560), (1282, 101280), (1688, 76920), (1923, 67520), (2110, 61536), (2532, 51280), (2564, 50640), (3165, 41024), (3205, 40512), (3376, 38460), (3846, 33760), (4220, 30768), (5064, 25640), (5128, 25320), (6330, 20512), (6410, 20256), (6752, 19230), (7692, 16880), (8440, 15384), (9615, 13504), (10128, 12820), (10256, 12660)]