31512840

素因数分解:

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

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 94953600

約数和(自身を除く): 63440760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 313, 626, 839, 939, 1252, 1565, 1678, 1878, 2504, 2517, 3130, 3356, 3756, 4195, 4695, 5034, 6260, 6712, 7512, 8390, 9390, 10068, 12520, 12585, 16780, 18780, 20136, 25170, 33560, 37560, 50340, 100680, 262607, 525214, 787821, 1050428, 1313035, 1575642, 2100856, 2626070, 3151284, 3939105, 5252140, 6302568, 7878210, 10504280, 15756420, 31512840]

約数ペア:

[(1, 31512840), (2, 15756420), (3, 10504280), (4, 7878210), (5, 6302568), (6, 5252140), (8, 3939105), (10, 3151284), (12, 2626070), (15, 2100856), (20, 1575642), (24, 1313035), (30, 1050428), (40, 787821), (60, 525214), (120, 262607), (313, 100680), (626, 50340), (839, 37560), (939, 33560), (1252, 25170), (1565, 20136), (1678, 18780), (1878, 16780), (2504, 12585), (2517, 12520), (3130, 10068), (3356, 9390), (3756, 8390), (4195, 7512), (4695, 6712), (5034, 6260)]