39540780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2053}}^1$

素因数の和:2175

約数の個数: 72

約数和(自身を含む): 121120272

約数和(自身を除く): 81579492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2053, 2140, 3210, 3852, 4106, 4815, 6159, 6420, 8212, 9630, 10265, 12318, 18477, 19260, 20530, 24636, 30795, 36954, 41060, 61590, 73908, 92385, 123180, 184770, 219671, 369540, 439342, 659013, 878684, 1098355, 1318026, 1977039, 2196710, 2636052, 3295065, 3954078, 4393420, 6590130, 7908156, 9885195, 13180260, 19770390, 39540780]

約数ペア:

[(1, 39540780), (2, 19770390), (3, 13180260), (4, 9885195), (5, 7908156), (6, 6590130), (9, 4393420), (10, 3954078), (12, 3295065), (15, 2636052), (18, 2196710), (20, 1977039), (30, 1318026), (36, 1098355), (45, 878684), (60, 659013), (90, 439342), (107, 369540), (180, 219671), (214, 184770), (321, 123180), (428, 92385), (535, 73908), (642, 61590), (963, 41060), (1070, 36954), (1284, 30795), (1605, 24636), (1926, 20530), (2053, 19260), (2140, 18477), (3210, 12318), (3852, 10265), (4106, 9630), (4815, 8212), (6159, 6420)]