618375420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264263}}^1$

素因数の和:264291

約数の個数: 72

約数和(自身を含む): 2020034016

約数和(自身を除く): 1401658596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 264263, 528526, 792789, 1057052, 1321315, 1585578, 2378367, 2642630, 3171156, 3435419, 3963945, 4756734, 5285260, 6870838, 7927890, 9513468, 10306257, 11891835, 13741676, 15855780, 17177095, 20612514, 23783670, 30918771, 34354190, 41225028, 47567340, 51531285, 61837542, 68708380, 103062570, 123675084, 154593855, 206125140, 309187710, 618375420]

約数ペア:

[(1, 618375420), (2, 309187710), (3, 206125140), (4, 154593855), (5, 123675084), (6, 103062570), (9, 68708380), (10, 61837542), (12, 51531285), (13, 47567340), (15, 41225028), (18, 34354190), (20, 30918771), (26, 23783670), (30, 20612514), (36, 17177095), (39, 15855780), (45, 13741676), (52, 11891835), (60, 10306257), (65, 9513468), (78, 7927890), (90, 6870838), (117, 5285260), (130, 4756734), (156, 3963945), (180, 3435419), (195, 3171156), (234, 2642630), (260, 2378367), (390, 1585578), (468, 1321315), (585, 1057052), (780, 792789), (1170, 528526), (2340, 264263)]