15756420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{839}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 44311680

約数和(自身を除く): 28555260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 839, 939, 1252, 1565, 1678, 1878, 2517, 3130, 3356, 3756, 4195, 4695, 5034, 6260, 8390, 9390, 10068, 12585, 16780, 18780, 25170, 50340, 262607, 525214, 787821, 1050428, 1313035, 1575642, 2626070, 3151284, 3939105, 5252140, 7878210, 15756420]

約数ペア:

[(1, 15756420), (2, 7878210), (3, 5252140), (4, 3939105), (5, 3151284), (6, 2626070), (10, 1575642), (12, 1313035), (15, 1050428), (20, 787821), (30, 525214), (60, 262607), (313, 50340), (626, 25170), (839, 18780), (939, 16780), (1252, 12585), (1565, 10068), (1678, 9390), (1878, 8390), (2517, 6260), (3130, 5034), (3356, 4695), (3756, 4195)]