128387940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112621}}^1$

素因数の和:112652

約数の個数: 48

約数和(自身を含む): 378409920

約数和(自身を除く): 250021980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 112621, 225242, 337863, 450484, 563105, 675726, 1126210, 1351452, 1689315, 2139799, 2252420, 3378630, 4279598, 6419397, 6757260, 8559196, 10698995, 12838794, 21397990, 25677588, 32096985, 42795980, 64193970, 128387940]

約数ペア:

[(1, 128387940), (2, 64193970), (3, 42795980), (4, 32096985), (5, 25677588), (6, 21397990), (10, 12838794), (12, 10698995), (15, 8559196), (19, 6757260), (20, 6419397), (30, 4279598), (38, 3378630), (57, 2252420), (60, 2139799), (76, 1689315), (95, 1351452), (114, 1126210), (190, 675726), (228, 563105), (285, 450484), (380, 337863), (570, 225242), (1140, 112621)]