1965000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{131}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 6185520

約数和(自身を除く): 4220520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 131, 150, 200, 250, 262, 300, 375, 393, 500, 524, 600, 625, 655, 750, 786, 1000, 1048, 1250, 1310, 1500, 1572, 1875, 1965, 2500, 2620, 3000, 3144, 3275, 3750, 3930, 5000, 5240, 6550, 7500, 7860, 9825, 13100, 15000, 15720, 16375, 19650, 26200, 32750, 39300, 49125, 65500, 78600, 81875, 98250, 131000, 163750, 196500, 245625, 327500, 393000, 491250, 655000, 982500, 1965000]

約数ペア:

[(1, 1965000), (2, 982500), (3, 655000), (4, 491250), (5, 393000), (6, 327500), (8, 245625), (10, 196500), (12, 163750), (15, 131000), (20, 98250), (24, 81875), (25, 78600), (30, 65500), (40, 49125), (50, 39300), (60, 32750), (75, 26200), (100, 19650), (120, 16375), (125, 15720), (131, 15000), (150, 13100), (200, 9825), (250, 7860), (262, 7500), (300, 6550), (375, 5240), (393, 5000), (500, 3930), (524, 3750), (600, 3275), (625, 3144), (655, 3000), (750, 2620), (786, 2500), (1000, 1965), (1048, 1875), (1250, 1572), (1310, 1500)]