2545140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 7747488

約数和(自身を除く): 5202348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 251, 260, 338, 390, 502, 507, 676, 753, 780, 845, 1004, 1014, 1255, 1506, 1690, 2028, 2510, 2535, 3012, 3263, 3380, 3765, 5020, 5070, 6526, 7530, 9789, 10140, 13052, 15060, 16315, 19578, 32630, 39156, 42419, 48945, 65260, 84838, 97890, 127257, 169676, 195780, 212095, 254514, 424190, 509028, 636285, 848380, 1272570, 2545140]

約数ペア:

[(1, 2545140), (2, 1272570), (3, 848380), (4, 636285), (5, 509028), (6, 424190), (10, 254514), (12, 212095), (13, 195780), (15, 169676), (20, 127257), (26, 97890), (30, 84838), (39, 65260), (52, 48945), (60, 42419), (65, 39156), (78, 32630), (130, 19578), (156, 16315), (169, 15060), (195, 13052), (251, 10140), (260, 9789), (338, 7530), (390, 6526), (502, 5070), (507, 5020), (676, 3765), (753, 3380), (780, 3263), (845, 3012), (1004, 2535), (1014, 2510), (1255, 2028), (1506, 1690)]