30906840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6961}}^1$

素因数の和:7012

約数の個数: 64

約数和(自身を含む): 95240160

約数和(自身を除く): 64333320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 6961, 13922, 20883, 27844, 34805, 41766, 55688, 69610, 83532, 104415, 139220, 167064, 208830, 257557, 278440, 417660, 515114, 772671, 835320, 1030228, 1287785, 1545342, 2060456, 2575570, 3090684, 3863355, 5151140, 6181368, 7726710, 10302280, 15453420, 30906840]

約数ペア:

[(1, 30906840), (2, 15453420), (3, 10302280), (4, 7726710), (5, 6181368), (6, 5151140), (8, 3863355), (10, 3090684), (12, 2575570), (15, 2060456), (20, 1545342), (24, 1287785), (30, 1030228), (37, 835320), (40, 772671), (60, 515114), (74, 417660), (111, 278440), (120, 257557), (148, 208830), (185, 167064), (222, 139220), (296, 104415), (370, 83532), (444, 69610), (555, 55688), (740, 41766), (888, 34805), (1110, 27844), (1480, 20883), (2220, 13922), (4440, 6961)]