64177240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 150096960

約数和(自身を除く): 85919720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 103, 148, 185, 206, 296, 370, 412, 421, 515, 740, 824, 842, 1030, 1480, 1684, 2060, 2105, 3368, 3811, 4120, 4210, 7622, 8420, 15244, 15577, 16840, 19055, 30488, 31154, 38110, 43363, 62308, 76220, 77885, 86726, 124616, 152440, 155770, 173452, 216815, 311540, 346904, 433630, 623080, 867260, 1604431, 1734520, 3208862, 6417724, 8022155, 12835448, 16044310, 32088620, 64177240]

約数ペア:

[(1, 64177240), (2, 32088620), (4, 16044310), (5, 12835448), (8, 8022155), (10, 6417724), (20, 3208862), (37, 1734520), (40, 1604431), (74, 867260), (103, 623080), (148, 433630), (185, 346904), (206, 311540), (296, 216815), (370, 173452), (412, 155770), (421, 152440), (515, 124616), (740, 86726), (824, 77885), (842, 76220), (1030, 62308), (1480, 43363), (1684, 38110), (2060, 31154), (2105, 30488), (3368, 19055), (3811, 16840), (4120, 15577), (4210, 15244), (7622, 8420)]