71029640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4363}}^1$

素因数の和:4422

約数の個数: 64

約数和(自身を含む): 179098560

約数和(自身を除く): 108068920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4363, 8140, 8726, 16280, 17452, 21815, 34904, 43630, 47993, 87260, 95986, 161431, 174520, 191972, 239965, 322862, 383944, 479930, 645724, 807155, 959860, 1291448, 1614310, 1775741, 1919720, 3228620, 3551482, 6457240, 7102964, 8878705, 14205928, 17757410, 35514820, 71029640]

約数ペア:

[(1, 71029640), (2, 35514820), (4, 17757410), (5, 14205928), (8, 8878705), (10, 7102964), (11, 6457240), (20, 3551482), (22, 3228620), (37, 1919720), (40, 1775741), (44, 1614310), (55, 1291448), (74, 959860), (88, 807155), (110, 645724), (148, 479930), (185, 383944), (220, 322862), (296, 239965), (370, 191972), (407, 174520), (440, 161431), (740, 95986), (814, 87260), (1480, 47993), (1628, 43630), (2035, 34904), (3256, 21815), (4070, 17452), (4363, 16280), (8140, 8726)]