38964645

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 75271680

約数和(自身を除く): 36307035

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 47, 69, 81, 89, 115, 135, 141, 207, 235, 267, 345, 405, 423, 445, 621, 705, 801, 1035, 1081, 1269, 1335, 1863, 2047, 2115, 2403, 3105, 3243, 3807, 4005, 4183, 5405, 6141, 6345, 7209, 9315, 9729, 10235, 12015, 12549, 16215, 18423, 19035, 20915, 29187, 30705, 36045, 37647, 48645, 55269, 62745, 87561, 92115, 96209, 112941, 145935, 165807, 188235, 276345, 288627, 338823, 437805, 481045, 564705, 829035, 865881, 1443135, 1694115, 2597643, 4329405, 7792929, 12988215, 38964645]

約数ペア:

[(1, 38964645), (3, 12988215), (5, 7792929), (9, 4329405), (15, 2597643), (23, 1694115), (27, 1443135), (45, 865881), (47, 829035), (69, 564705), (81, 481045), (89, 437805), (115, 338823), (135, 288627), (141, 276345), (207, 188235), (235, 165807), (267, 145935), (345, 112941), (405, 96209), (423, 92115), (445, 87561), (621, 62745), (705, 55269), (801, 48645), (1035, 37647), (1081, 36045), (1269, 30705), (1335, 29187), (1863, 20915), (2047, 19035), (2115, 18423), (2403, 16215), (3105, 12549), (3243, 12015), (3807, 10235), (4005, 9729), (4183, 9315), (5405, 7209), (6141, 6345)]