30630820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 74462976

約数和(自身を除く): 43832156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 53, 55, 71, 74, 106, 110, 142, 148, 185, 212, 220, 265, 284, 355, 370, 407, 530, 583, 710, 740, 781, 814, 1060, 1166, 1420, 1562, 1628, 1961, 2035, 2332, 2627, 2915, 3124, 3763, 3905, 3922, 4070, 5254, 5830, 7526, 7810, 7844, 8140, 9805, 10508, 11660, 13135, 15052, 15620, 18815, 19610, 21571, 26270, 28897, 37630, 39220, 41393, 43142, 52540, 57794, 75260, 82786, 86284, 107855, 115588, 139231, 144485, 165572, 206965, 215710, 278462, 288970, 413930, 431420, 556924, 577940, 696155, 827860, 1392310, 1531541, 2784620, 3063082, 6126164, 7657705, 15315410, 30630820]

約数ペア:

[(1, 30630820), (2, 15315410), (4, 7657705), (5, 6126164), (10, 3063082), (11, 2784620), (20, 1531541), (22, 1392310), (37, 827860), (44, 696155), (53, 577940), (55, 556924), (71, 431420), (74, 413930), (106, 288970), (110, 278462), (142, 215710), (148, 206965), (185, 165572), (212, 144485), (220, 139231), (265, 115588), (284, 107855), (355, 86284), (370, 82786), (407, 75260), (530, 57794), (583, 52540), (710, 43142), (740, 41393), (781, 39220), (814, 37630), (1060, 28897), (1166, 26270), (1420, 21571), (1562, 19610), (1628, 18815), (1961, 15620), (2035, 15052), (2332, 13135), (2627, 11660), (2915, 10508), (3124, 9805), (3763, 8140), (3905, 7844), (3922, 7810), (4070, 7526), (5254, 5830)]