68248760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 163620000

約数和(自身を除く): 95371240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1009, 1691, 1780, 2018, 3382, 3560, 4036, 5045, 6764, 8072, 8455, 10090, 13528, 16910, 19171, 20180, 33820, 38342, 40360, 67640, 76684, 89801, 95855, 153368, 179602, 191710, 359204, 383420, 449005, 718408, 766840, 898010, 1706219, 1796020, 3412438, 3592040, 6824876, 8531095, 13649752, 17062190, 34124380, 68248760]

約数ペア:

[(1, 68248760), (2, 34124380), (4, 17062190), (5, 13649752), (8, 8531095), (10, 6824876), (19, 3592040), (20, 3412438), (38, 1796020), (40, 1706219), (76, 898010), (89, 766840), (95, 718408), (152, 449005), (178, 383420), (190, 359204), (356, 191710), (380, 179602), (445, 153368), (712, 95855), (760, 89801), (890, 76684), (1009, 67640), (1691, 40360), (1780, 38342), (2018, 33820), (3382, 20180), (3560, 19171), (4036, 16910), (5045, 13528), (6764, 10090), (8072, 8455)]