256069320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164147}}^1$

素因数の和:164174

約数の個数: 64

約数和(自身を含む): 827305920

約数和(自身を除く): 571236600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 164147, 328294, 492441, 656588, 820735, 984882, 1313176, 1641470, 1969764, 2133911, 2462205, 3282940, 3939528, 4267822, 4924410, 6401733, 6565880, 8535644, 9848820, 10669555, 12803466, 17071288, 19697640, 21339110, 25606932, 32008665, 42678220, 51213864, 64017330, 85356440, 128034660, 256069320]

約数ペア:

[(1, 256069320), (2, 128034660), (3, 85356440), (4, 64017330), (5, 51213864), (6, 42678220), (8, 32008665), (10, 25606932), (12, 21339110), (13, 19697640), (15, 17071288), (20, 12803466), (24, 10669555), (26, 9848820), (30, 8535644), (39, 6565880), (40, 6401733), (52, 4924410), (60, 4267822), (65, 3939528), (78, 3282940), (104, 2462205), (120, 2133911), (130, 1969764), (156, 1641470), (195, 1313176), (260, 984882), (312, 820735), (390, 656588), (520, 492441), (780, 328294), (1560, 164147)]