31601250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{53}}^2$

素因数の和:134

約数の個数: 90

約数和(自身を含む): 87204117

約数和(自身を除く): 55602867

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 53, 75, 90, 106, 125, 150, 159, 225, 250, 265, 318, 375, 450, 477, 530, 625, 750, 795, 954, 1125, 1250, 1325, 1590, 1875, 2250, 2385, 2650, 2809, 3750, 3975, 4770, 5618, 5625, 6625, 7950, 8427, 11250, 11925, 13250, 14045, 16854, 19875, 23850, 25281, 28090, 33125, 39750, 42135, 50562, 59625, 66250, 70225, 84270, 99375, 119250, 126405, 140450, 198750, 210675, 252810, 298125, 351125, 421350, 596250, 632025, 702250, 1053375, 1264050, 1755625, 2106750, 3160125, 3511250, 5266875, 6320250, 10533750, 15800625, 31601250]

約数ペア:

[(1, 31601250), (2, 15800625), (3, 10533750), (5, 6320250), (6, 5266875), (9, 3511250), (10, 3160125), (15, 2106750), (18, 1755625), (25, 1264050), (30, 1053375), (45, 702250), (50, 632025), (53, 596250), (75, 421350), (90, 351125), (106, 298125), (125, 252810), (150, 210675), (159, 198750), (225, 140450), (250, 126405), (265, 119250), (318, 99375), (375, 84270), (450, 70225), (477, 66250), (530, 59625), (625, 50562), (750, 42135), (795, 39750), (954, 33125), (1125, 28090), (1250, 25281), (1325, 23850), (1590, 19875), (1875, 16854), (2250, 14045), (2385, 13250), (2650, 11925), (2809, 11250), (3750, 8427), (3975, 7950), (4770, 6625), (5618, 5625)]