15840459440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{24847}}^1$

素因数の和:25486

約数の個数: 80

約数和(自身を含む): 39728373888

約数和(自身を除く): 23887914448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 613, 1040, 1226, 2452, 3065, 4904, 6130, 7969, 9808, 12260, 15938, 24520, 24847, 31876, 39845, 49040, 49694, 63752, 79690, 99388, 124235, 127504, 159380, 198776, 248470, 318760, 323011, 397552, 496940, 637520, 646022, 993880, 1292044, 1615055, 1987760, 2584088, 3230110, 5168176, 6460220, 12920440, 15231211, 25840880, 30462422, 60924844, 76156055, 121849688, 152312110, 198005743, 243699376, 304624220, 396011486, 609248440, 792022972, 990028715, 1218496880, 1584045944, 1980057430, 3168091888, 3960114860, 7920229720, 15840459440]

約数ペア:

[(1, 15840459440), (2, 7920229720), (4, 3960114860), (5, 3168091888), (8, 1980057430), (10, 1584045944), (13, 1218496880), (16, 990028715), (20, 792022972), (26, 609248440), (40, 396011486), (52, 304624220), (65, 243699376), (80, 198005743), (104, 152312110), (130, 121849688), (208, 76156055), (260, 60924844), (520, 30462422), (613, 25840880), (1040, 15231211), (1226, 12920440), (2452, 6460220), (3065, 5168176), (4904, 3230110), (6130, 2584088), (7969, 1987760), (9808, 1615055), (12260, 1292044), (15938, 993880), (24520, 646022), (24847, 637520), (31876, 496940), (39845, 397552), (49040, 323011), (49694, 318760), (63752, 248470), (79690, 198776), (99388, 159380), (124235, 127504)]