81103920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3797}}^1$

素因数の和:3902

約数の個数: 80

約数和(自身を含む): 254314080

約数和(自身を除く): 173210160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3560, 3797, 4272, 5340, 7120, 7594, 10680, 11391, 15188, 18985, 21360, 22782, 30376, 37970, 45564, 56955, 60752, 75940, 91128, 113910, 151880, 182256, 227820, 303760, 337933, 455640, 675866, 911280, 1013799, 1351732, 1689665, 2027598, 2703464, 3379330, 4055196, 5068995, 5406928, 6758660, 8110392, 10137990, 13517320, 16220784, 20275980, 27034640, 40551960, 81103920]

約数ペア:

[(1, 81103920), (2, 40551960), (3, 27034640), (4, 20275980), (5, 16220784), (6, 13517320), (8, 10137990), (10, 8110392), (12, 6758660), (15, 5406928), (16, 5068995), (20, 4055196), (24, 3379330), (30, 2703464), (40, 2027598), (48, 1689665), (60, 1351732), (80, 1013799), (89, 911280), (120, 675866), (178, 455640), (240, 337933), (267, 303760), (356, 227820), (445, 182256), (534, 151880), (712, 113910), (890, 91128), (1068, 75940), (1335, 60752), (1424, 56955), (1780, 45564), (2136, 37970), (2670, 30376), (3560, 22782), (3797, 21360), (4272, 18985), (5340, 15188), (7120, 11391), (7594, 10680)]