1380000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{23}}^1$

素因数の和:56

約数の個数: 120

約数和(自身を含む): 4723488

約数和(自身を除く): 3343488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 69, 75, 80, 92, 96, 100, 115, 120, 125, 138, 150, 160, 184, 200, 230, 240, 250, 276, 300, 345, 368, 375, 400, 460, 480, 500, 552, 575, 600, 625, 690, 736, 750, 800, 920, 1000, 1104, 1150, 1200, 1250, 1380, 1500, 1725, 1840, 1875, 2000, 2208, 2300, 2400, 2500, 2760, 2875, 3000, 3450, 3680, 3750, 4000, 4600, 5000, 5520, 5750, 6000, 6900, 7500, 8625, 9200, 10000, 11040, 11500, 12000, 13800, 14375, 15000, 17250, 18400, 20000, 23000, 27600, 28750, 30000, 34500, 43125, 46000, 55200, 57500, 60000, 69000, 86250, 92000, 115000, 138000, 172500, 230000, 276000, 345000, 460000, 690000, 1380000]

約数ペア:

[(1, 1380000), (2, 690000), (3, 460000), (4, 345000), (5, 276000), (6, 230000), (8, 172500), (10, 138000), (12, 115000), (15, 92000), (16, 86250), (20, 69000), (23, 60000), (24, 57500), (25, 55200), (30, 46000), (32, 43125), (40, 34500), (46, 30000), (48, 28750), (50, 27600), (60, 23000), (69, 20000), (75, 18400), (80, 17250), (92, 15000), (96, 14375), (100, 13800), (115, 12000), (120, 11500), (125, 11040), (138, 10000), (150, 9200), (160, 8625), (184, 7500), (200, 6900), (230, 6000), (240, 5750), (250, 5520), (276, 5000), (300, 4600), (345, 4000), (368, 3750), (375, 3680), (400, 3450), (460, 3000), (480, 2875), (500, 2760), (552, 2500), (575, 2400), (600, 2300), (625, 2208), (690, 2000), (736, 1875), (750, 1840), (800, 1725), (920, 1500), (1000, 1380), (1104, 1250), (1150, 1200)]