81981420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2251}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 230028288

約数和(自身を除く): 148046868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 607, 1214, 1821, 2251, 2428, 3035, 3642, 4502, 6070, 6753, 7284, 9004, 9105, 11255, 12140, 13506, 18210, 22510, 27012, 33765, 36420, 45020, 67530, 135060, 1366357, 2732714, 4099071, 5465428, 6831785, 8198142, 13663570, 16396284, 20495355, 27327140, 40990710, 81981420]

約数ペア:

[(1, 81981420), (2, 40990710), (3, 27327140), (4, 20495355), (5, 16396284), (6, 13663570), (10, 8198142), (12, 6831785), (15, 5465428), (20, 4099071), (30, 2732714), (60, 1366357), (607, 135060), (1214, 67530), (1821, 45020), (2251, 36420), (2428, 33765), (3035, 27012), (3642, 22510), (4502, 18210), (6070, 13506), (6753, 12140), (7284, 11255), (9004, 9105)]