30456840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{719}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 91756800

約数和(自身を除く): 61299960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 706, 719, 1059, 1412, 1438, 1765, 2118, 2157, 2824, 2876, 3530, 3595, 4236, 4314, 5295, 5752, 7060, 7190, 8472, 8628, 10590, 10785, 14120, 14380, 17256, 21180, 21570, 28760, 42360, 43140, 86280, 253807, 507614, 761421, 1015228, 1269035, 1522842, 2030456, 2538070, 3045684, 3807105, 5076140, 6091368, 7614210, 10152280, 15228420, 30456840]

約数ペア:

[(1, 30456840), (2, 15228420), (3, 10152280), (4, 7614210), (5, 6091368), (6, 5076140), (8, 3807105), (10, 3045684), (12, 2538070), (15, 2030456), (20, 1522842), (24, 1269035), (30, 1015228), (40, 761421), (60, 507614), (120, 253807), (353, 86280), (706, 43140), (719, 42360), (1059, 28760), (1412, 21570), (1438, 21180), (1765, 17256), (2118, 14380), (2157, 14120), (2824, 10785), (2876, 10590), (3530, 8628), (3595, 8472), (4236, 7190), (4314, 7060), (5295, 5752)]