1640252016

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{876203}}^1$

素因数の和:876230

約数の個数: 60

約数和(自身を含む): 4943542968

約数和(自身を除く): 3303290952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 876203, 1752406, 2628609, 3504812, 5257218, 7009624, 7885827, 10514436, 11390639, 14019248, 15771654, 21028872, 22781278, 31543308, 34171917, 42057744, 45562556, 63086616, 68343834, 91125112, 102515751, 126173232, 136687668, 182250224, 205031502, 273375336, 410063004, 546750672, 820126008, 1640252016]

約数ペア:

[(1, 1640252016), (2, 820126008), (3, 546750672), (4, 410063004), (6, 273375336), (8, 205031502), (9, 182250224), (12, 136687668), (13, 126173232), (16, 102515751), (18, 91125112), (24, 68343834), (26, 63086616), (36, 45562556), (39, 42057744), (48, 34171917), (52, 31543308), (72, 22781278), (78, 21028872), (104, 15771654), (117, 14019248), (144, 11390639), (156, 10514436), (208, 7885827), (234, 7009624), (312, 5257218), (468, 3504812), (624, 2628609), (936, 1752406), (1872, 876203)]