12640500

素因数分解:

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

素因数の和:131

約数の個数: 108

約数和(自身を含む): 40643148

約数和(自身を除く): 28002648

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 53, 60, 75, 90, 100, 106, 125, 150, 159, 180, 212, 225, 250, 265, 300, 318, 375, 450, 477, 500, 530, 636, 750, 795, 900, 954, 1060, 1125, 1325, 1500, 1590, 1908, 2250, 2385, 2650, 2809, 3180, 3975, 4500, 4770, 5300, 5618, 6625, 7950, 8427, 9540, 11236, 11925, 13250, 14045, 15900, 16854, 19875, 23850, 25281, 26500, 28090, 33708, 39750, 42135, 47700, 50562, 56180, 59625, 70225, 79500, 84270, 101124, 119250, 126405, 140450, 168540, 210675, 238500, 252810, 280900, 351125, 421350, 505620, 632025, 702250, 842700, 1053375, 1264050, 1404500, 2106750, 2528100, 3160125, 4213500, 6320250, 12640500]

約数ペア:

[(1, 12640500), (2, 6320250), (3, 4213500), (4, 3160125), (5, 2528100), (6, 2106750), (9, 1404500), (10, 1264050), (12, 1053375), (15, 842700), (18, 702250), (20, 632025), (25, 505620), (30, 421350), (36, 351125), (45, 280900), (50, 252810), (53, 238500), (60, 210675), (75, 168540), (90, 140450), (100, 126405), (106, 119250), (125, 101124), (150, 84270), (159, 79500), (180, 70225), (212, 59625), (225, 56180), (250, 50562), (265, 47700), (300, 42135), (318, 39750), (375, 33708), (450, 28090), (477, 26500), (500, 25281), (530, 23850), (636, 19875), (750, 16854), (795, 15900), (900, 14045), (954, 13250), (1060, 11925), (1125, 11236), (1325, 9540), (1500, 8427), (1590, 7950), (1908, 6625), (2250, 5618), (2385, 5300), (2650, 4770), (2809, 4500), (3180, 3975)]