128002500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{5689}}^1$

素因数の和:5719

約数の個数: 90

約数和(自身を含む): 404393990

約数和(自身を除く): 276391490

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3750, 4500, 5625, 5689, 7500, 11250, 11378, 17067, 22500, 22756, 28445, 34134, 51201, 56890, 68268, 85335, 102402, 113780, 142225, 170670, 204804, 256005, 284450, 341340, 426675, 512010, 568900, 711125, 853350, 1024020, 1280025, 1422250, 1706700, 2133375, 2560050, 2844500, 3555625, 4266750, 5120100, 6400125, 7111250, 8533500, 10666875, 12800250, 14222500, 21333750, 25600500, 32000625, 42667500, 64001250, 128002500]

約数ペア:

[(1, 128002500), (2, 64001250), (3, 42667500), (4, 32000625), (5, 25600500), (6, 21333750), (9, 14222500), (10, 12800250), (12, 10666875), (15, 8533500), (18, 7111250), (20, 6400125), (25, 5120100), (30, 4266750), (36, 3555625), (45, 2844500), (50, 2560050), (60, 2133375), (75, 1706700), (90, 1422250), (100, 1280025), (125, 1024020), (150, 853350), (180, 711125), (225, 568900), (250, 512010), (300, 426675), (375, 341340), (450, 284450), (500, 256005), (625, 204804), (750, 170670), (900, 142225), (1125, 113780), (1250, 102402), (1500, 85335), (1875, 68268), (2250, 56890), (2500, 51201), (3750, 34134), (4500, 28445), (5625, 22756), (5689, 22500), (7500, 17067), (11250, 11378)]