668538312

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 128

約数和(自身を含む): 1873536000

約数和(自身を除く): 1204997688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 169, 186, 248, 312, 338, 372, 403, 409, 507, 676, 744, 806, 818, 1014, 1209, 1227, 1352, 1612, 1636, 2028, 2197, 2418, 2454, 3224, 3272, 4056, 4394, 4836, 4908, 5239, 5317, 6591, 8788, 9672, 9816, 10478, 10634, 12679, 13182, 15717, 15951, 17576, 20956, 21268, 25358, 26364, 31434, 31902, 38037, 41912, 42536, 50716, 52728, 62868, 63804, 68107, 69121, 76074, 101432, 125736, 127608, 136214, 138242, 152148, 164827, 204321, 207363, 272428, 276484, 304296, 329654, 408642, 414726, 494481, 544856, 552968, 659308, 817284, 829452, 898573, 988962, 1318616, 1634568, 1658904, 1797146, 1977924, 2142751, 2695719, 3594292, 3955848, 4285502, 5391438, 6428253, 7188584, 8571004, 10782876, 12856506, 17142008, 21565752, 25713012, 27855763, 51426024, 55711526, 83567289, 111423052, 167134578, 222846104, 334269156, 668538312]

約数ペア:

[(1, 668538312), (2, 334269156), (3, 222846104), (4, 167134578), (6, 111423052), (8, 83567289), (12, 55711526), (13, 51426024), (24, 27855763), (26, 25713012), (31, 21565752), (39, 17142008), (52, 12856506), (62, 10782876), (78, 8571004), (93, 7188584), (104, 6428253), (124, 5391438), (156, 4285502), (169, 3955848), (186, 3594292), (248, 2695719), (312, 2142751), (338, 1977924), (372, 1797146), (403, 1658904), (409, 1634568), (507, 1318616), (676, 988962), (744, 898573), (806, 829452), (818, 817284), (1014, 659308), (1209, 552968), (1227, 544856), (1352, 494481), (1612, 414726), (1636, 408642), (2028, 329654), (2197, 304296), (2418, 276484), (2454, 272428), (3224, 207363), (3272, 204321), (4056, 164827), (4394, 152148), (4836, 138242), (4908, 136214), (5239, 127608), (5317, 125736), (6591, 101432), (8788, 76074), (9672, 69121), (9816, 68107), (10478, 63804), (10634, 62868), (12679, 52728), (13182, 50716), (15717, 42536), (15951, 41912), (17576, 38037), (20956, 31902), (21268, 31434), (25358, 26364)]