312879420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{248317}}^1$

素因数の和:248339

約数の個数: 72

約数和(自身を含む): 1084653024

約数和(自身を除く): 771773604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 248317, 496634, 744951, 993268, 1241585, 1489902, 1738219, 2234853, 2483170, 2979804, 3476438, 3724755, 4469706, 4966340, 5214657, 6952876, 7449510, 8691095, 8939412, 10429314, 11174265, 14899020, 15643971, 17382190, 20858628, 22348530, 26073285, 31287942, 34764380, 44697060, 52146570, 62575884, 78219855, 104293140, 156439710, 312879420]

約数ペア:

[(1, 312879420), (2, 156439710), (3, 104293140), (4, 78219855), (5, 62575884), (6, 52146570), (7, 44697060), (9, 34764380), (10, 31287942), (12, 26073285), (14, 22348530), (15, 20858628), (18, 17382190), (20, 15643971), (21, 14899020), (28, 11174265), (30, 10429314), (35, 8939412), (36, 8691095), (42, 7449510), (45, 6952876), (60, 5214657), (63, 4966340), (70, 4469706), (84, 3724755), (90, 3476438), (105, 2979804), (126, 2483170), (140, 2234853), (180, 1738219), (210, 1489902), (252, 1241585), (315, 993268), (420, 744951), (630, 496634), (1260, 248317)]