19545000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1303}}^1$

素因数の和:1332

約数の個数: 80

約数和(自身を含む): 61105440

約数和(自身を除く): 41560440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1303, 1500, 1875, 2500, 2606, 3000, 3750, 3909, 5000, 5212, 6515, 7500, 7818, 10424, 13030, 15000, 15636, 19545, 26060, 31272, 32575, 39090, 52120, 65150, 78180, 97725, 130300, 156360, 162875, 195450, 260600, 325750, 390900, 488625, 651500, 781800, 814375, 977250, 1303000, 1628750, 1954500, 2443125, 3257500, 3909000, 4886250, 6515000, 9772500, 19545000]

約数ペア:

[(1, 19545000), (2, 9772500), (3, 6515000), (4, 4886250), (5, 3909000), (6, 3257500), (8, 2443125), (10, 1954500), (12, 1628750), (15, 1303000), (20, 977250), (24, 814375), (25, 781800), (30, 651500), (40, 488625), (50, 390900), (60, 325750), (75, 260600), (100, 195450), (120, 162875), (125, 156360), (150, 130300), (200, 97725), (250, 78180), (300, 65150), (375, 52120), (500, 39090), (600, 32575), (625, 31272), (750, 26060), (1000, 19545), (1250, 15636), (1303, 15000), (1500, 13030), (1875, 10424), (2500, 7818), (2606, 7500), (3000, 6515), (3750, 5212), (3909, 5000)]