212261520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{884423}}^1$

素因数の和:884439

約数の個数: 40

約数和(自身を含む): 658011456

約数和(自身を除く): 445749936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 884423, 1768846, 2653269, 3537692, 4422115, 5306538, 7075384, 8844230, 10613076, 13266345, 14150768, 17688460, 21226152, 26532690, 35376920, 42452304, 53065380, 70753840, 106130760, 212261520]

約数ペア:

[(1, 212261520), (2, 106130760), (3, 70753840), (4, 53065380), (5, 42452304), (6, 35376920), (8, 26532690), (10, 21226152), (12, 17688460), (15, 14150768), (16, 13266345), (20, 10613076), (24, 8844230), (30, 7075384), (40, 5306538), (48, 4422115), (60, 3537692), (80, 2653269), (120, 1768846), (240, 884423)]