1232720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 3020640

約数和(自身を除く): 1787920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 811, 1520, 1622, 3244, 4055, 6488, 8110, 12976, 15409, 16220, 30818, 32440, 61636, 64880, 77045, 123272, 154090, 246544, 308180, 616360, 1232720]

約数ペア:

[(1, 1232720), (2, 616360), (4, 308180), (5, 246544), (8, 154090), (10, 123272), (16, 77045), (19, 64880), (20, 61636), (38, 32440), (40, 30818), (76, 16220), (80, 15409), (95, 12976), (152, 8110), (190, 6488), (304, 4055), (380, 3244), (760, 1622), (811, 1520)]