1591820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 3628800

約数和(自身を除く): 2036980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 71, 76, 95, 118, 142, 190, 236, 284, 295, 355, 380, 590, 710, 1121, 1180, 1349, 1420, 2242, 2698, 4189, 4484, 5396, 5605, 6745, 8378, 11210, 13490, 16756, 20945, 22420, 26980, 41890, 79591, 83780, 159182, 318364, 397955, 795910, 1591820]

約数ペア:

[(1, 1591820), (2, 795910), (4, 397955), (5, 318364), (10, 159182), (19, 83780), (20, 79591), (38, 41890), (59, 26980), (71, 22420), (76, 20945), (95, 16756), (118, 13490), (142, 11210), (190, 8378), (236, 6745), (284, 5605), (295, 5396), (355, 4484), (380, 4189), (590, 2698), (710, 2242), (1121, 1420), (1180, 1349)]