25281000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{53}}^2$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 87092460

約数和(自身を除く): 61811460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 53, 60, 72, 75, 90, 100, 106, 120, 125, 150, 159, 180, 200, 212, 225, 250, 265, 300, 318, 360, 375, 424, 450, 477, 500, 530, 600, 636, 750, 795, 900, 954, 1000, 1060, 1125, 1272, 1325, 1500, 1590, 1800, 1908, 2120, 2250, 2385, 2650, 2809, 3000, 3180, 3816, 3975, 4500, 4770, 5300, 5618, 6360, 6625, 7950, 8427, 9000, 9540, 10600, 11236, 11925, 13250, 14045, 15900, 16854, 19080, 19875, 22472, 23850, 25281, 26500, 28090, 31800, 33708, 39750, 42135, 47700, 50562, 53000, 56180, 59625, 67416, 70225, 79500, 84270, 95400, 101124, 112360, 119250, 126405, 140450, 159000, 168540, 202248, 210675, 238500, 252810, 280900, 337080, 351125, 421350, 477000, 505620, 561800, 632025, 702250, 842700, 1011240, 1053375, 1264050, 1404500, 1685400, 2106750, 2528100, 2809000, 3160125, 4213500, 5056200, 6320250, 8427000, 12640500, 25281000]

約数ペア:

[(1, 25281000), (2, 12640500), (3, 8427000), (4, 6320250), (5, 5056200), (6, 4213500), (8, 3160125), (9, 2809000), (10, 2528100), (12, 2106750), (15, 1685400), (18, 1404500), (20, 1264050), (24, 1053375), (25, 1011240), (30, 842700), (36, 702250), (40, 632025), (45, 561800), (50, 505620), (53, 477000), (60, 421350), (72, 351125), (75, 337080), (90, 280900), (100, 252810), (106, 238500), (120, 210675), (125, 202248), (150, 168540), (159, 159000), (180, 140450), (200, 126405), (212, 119250), (225, 112360), (250, 101124), (265, 95400), (300, 84270), (318, 79500), (360, 70225), (375, 67416), (424, 59625), (450, 56180), (477, 53000), (500, 50562), (530, 47700), (600, 42135), (636, 39750), (750, 33708), (795, 31800), (900, 28090), (954, 26500), (1000, 25281), (1060, 23850), (1125, 22472), (1272, 19875), (1325, 19080), (1500, 16854), (1590, 15900), (1800, 14045), (1908, 13250), (2120, 11925), (2250, 11236), (2385, 10600), (2650, 9540), (2809, 9000), (3000, 8427), (3180, 7950), (3816, 6625), (3975, 6360), (4500, 5618), (4770, 5300)]