71018820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{394549}}^1$

素因数の和:394564

約数の個数: 36

約数和(自身を含む): 215424300

約数和(自身を除く): 144405480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 394549, 789098, 1183647, 1578196, 1972745, 2367294, 3550941, 3945490, 4734588, 5918235, 7101882, 7890980, 11836470, 14203764, 17754705, 23672940, 35509410, 71018820]

約数ペア:

[(1, 71018820), (2, 35509410), (3, 23672940), (4, 17754705), (5, 14203764), (6, 11836470), (9, 7890980), (10, 7101882), (12, 5918235), (15, 4734588), (18, 3945490), (20, 3550941), (30, 2367294), (36, 1972745), (45, 1578196), (60, 1183647), (90, 789098), (180, 394549)]