129598380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79999}}^1$

素因数の和:80020

約数の個数: 60

約数和(自身を含む): 406560000

約数和(自身を除く): 276961620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79999, 159998, 239997, 319996, 399995, 479994, 719991, 799990, 959988, 1199985, 1439982, 1599980, 2159973, 2399970, 2879964, 3599955, 4319946, 4799940, 6479919, 7199910, 8639892, 10799865, 12959838, 14399820, 21599730, 25919676, 32399595, 43199460, 64799190, 129598380]

約数ペア:

[(1, 129598380), (2, 64799190), (3, 43199460), (4, 32399595), (5, 25919676), (6, 21599730), (9, 14399820), (10, 12959838), (12, 10799865), (15, 8639892), (18, 7199910), (20, 6479919), (27, 4799940), (30, 4319946), (36, 3599955), (45, 2879964), (54, 2399970), (60, 2159973), (81, 1599980), (90, 1439982), (108, 1199985), (135, 959988), (162, 799990), (180, 719991), (270, 479994), (324, 399995), (405, 319996), (540, 239997), (810, 159998), (1620, 79999)]