788049280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{72431}}^1$

素因数の和:72467

約数の個数: 64

約数和(自身を含む): 1994777280

約数和(自身を除く): 1206728000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 72431, 144862, 289724, 362155, 579448, 724310, 1158896, 1231327, 1448620, 2317792, 2462654, 2897240, 4635584, 4925308, 5794480, 6156635, 9271168, 9850616, 11588960, 12313270, 19701232, 23177920, 24626540, 39402464, 46355840, 49253080, 78804928, 98506160, 157609856, 197012320, 394024640, 788049280]

約数ペア:

[(1, 788049280), (2, 394024640), (4, 197012320), (5, 157609856), (8, 98506160), (10, 78804928), (16, 49253080), (17, 46355840), (20, 39402464), (32, 24626540), (34, 23177920), (40, 19701232), (64, 12313270), (68, 11588960), (80, 9850616), (85, 9271168), (128, 6156635), (136, 5794480), (160, 4925308), (170, 4635584), (272, 2897240), (320, 2462654), (340, 2317792), (544, 1448620), (640, 1231327), (680, 1158896), (1088, 724310), (1360, 579448), (2176, 362155), (2720, 289724), (5440, 144862), (10880, 72431)]