123345000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{2741}}^1$

素因数の和:2773

約数の個数: 120

約数和(自身を含む): 417592890

約数和(自身を除く): 294247890

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1800, 1875, 2250, 2500, 2741, 3000, 3750, 4500, 5000, 5482, 5625, 7500, 8223, 9000, 10964, 11250, 13705, 15000, 16446, 21928, 22500, 24669, 27410, 32892, 41115, 45000, 49338, 54820, 65784, 68525, 82230, 98676, 109640, 123345, 137050, 164460, 197352, 205575, 246690, 274100, 328920, 342625, 411150, 493380, 548200, 616725, 685250, 822300, 986760, 1027875, 1233450, 1370500, 1644600, 1713125, 2055750, 2466900, 2741000, 3083625, 3426250, 4111500, 4933800, 5139375, 6167250, 6852500, 8223000, 10278750, 12334500, 13705000, 15418125, 20557500, 24669000, 30836250, 41115000, 61672500, 123345000]

約数ペア:

[(1, 123345000), (2, 61672500), (3, 41115000), (4, 30836250), (5, 24669000), (6, 20557500), (8, 15418125), (9, 13705000), (10, 12334500), (12, 10278750), (15, 8223000), (18, 6852500), (20, 6167250), (24, 5139375), (25, 4933800), (30, 4111500), (36, 3426250), (40, 3083625), (45, 2741000), (50, 2466900), (60, 2055750), (72, 1713125), (75, 1644600), (90, 1370500), (100, 1233450), (120, 1027875), (125, 986760), (150, 822300), (180, 685250), (200, 616725), (225, 548200), (250, 493380), (300, 411150), (360, 342625), (375, 328920), (450, 274100), (500, 246690), (600, 205575), (625, 197352), (750, 164460), (900, 137050), (1000, 123345), (1125, 109640), (1250, 98676), (1500, 82230), (1800, 68525), (1875, 65784), (2250, 54820), (2500, 49338), (2741, 45000), (3000, 41115), (3750, 32892), (4500, 27410), (5000, 24669), (5482, 22500), (5625, 21928), (7500, 16446), (8223, 15000), (9000, 13705), (10964, 11250)]