1019720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 64

約数和(自身を含む): 2585520

約数和(自身を除く): 1565800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 53, 65, 74, 104, 106, 130, 148, 185, 212, 260, 265, 296, 370, 424, 481, 520, 530, 689, 740, 962, 1060, 1378, 1480, 1924, 1961, 2120, 2405, 2756, 3445, 3848, 3922, 4810, 5512, 6890, 7844, 9620, 9805, 13780, 15688, 19240, 19610, 25493, 27560, 39220, 50986, 78440, 101972, 127465, 203944, 254930, 509860, 1019720]

約数ペア:

[(1, 1019720), (2, 509860), (4, 254930), (5, 203944), (8, 127465), (10, 101972), (13, 78440), (20, 50986), (26, 39220), (37, 27560), (40, 25493), (52, 19610), (53, 19240), (65, 15688), (74, 13780), (104, 9805), (106, 9620), (130, 7844), (148, 6890), (185, 5512), (212, 4810), (260, 3922), (265, 3848), (296, 3445), (370, 2756), (424, 2405), (481, 2120), (520, 1961), (530, 1924), (689, 1480), (740, 1378), (962, 1060)]