180582820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1153

約数の個数: 72

約数和(自身を含む): 423105984

約数和(自身を除く): 242523164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 484, 605, 710, 781, 1051, 1210, 1420, 1562, 2102, 2420, 3124, 3905, 4204, 5255, 7810, 8591, 10510, 11561, 15620, 17182, 21020, 23122, 34364, 42955, 46244, 57805, 74621, 85910, 115610, 127171, 149242, 171820, 231220, 254342, 298484, 373105, 508684, 635855, 746210, 820831, 1271710, 1492420, 1641662, 2543420, 3283324, 4104155, 8208310, 9029141, 16416620, 18058282, 36116564, 45145705, 90291410, 180582820]

約数ペア:

[(1, 180582820), (2, 90291410), (4, 45145705), (5, 36116564), (10, 18058282), (11, 16416620), (20, 9029141), (22, 8208310), (44, 4104155), (55, 3283324), (71, 2543420), (110, 1641662), (121, 1492420), (142, 1271710), (220, 820831), (242, 746210), (284, 635855), (355, 508684), (484, 373105), (605, 298484), (710, 254342), (781, 231220), (1051, 171820), (1210, 149242), (1420, 127171), (1562, 115610), (2102, 85910), (2420, 74621), (3124, 57805), (3905, 46244), (4204, 42955), (5255, 34364), (7810, 23122), (8591, 21020), (10510, 17182), (11561, 15620)]