2638620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 8137584

約数和(自身を除く): 5498964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 137, 180, 214, 274, 321, 411, 428, 535, 548, 642, 685, 822, 963, 1070, 1233, 1284, 1370, 1605, 1644, 1926, 2055, 2140, 2466, 2740, 3210, 3852, 4110, 4815, 4932, 6165, 6420, 8220, 9630, 12330, 14659, 19260, 24660, 29318, 43977, 58636, 73295, 87954, 131931, 146590, 175908, 219885, 263862, 293180, 439770, 527724, 659655, 879540, 1319310, 2638620]

約数ペア:

[(1, 2638620), (2, 1319310), (3, 879540), (4, 659655), (5, 527724), (6, 439770), (9, 293180), (10, 263862), (12, 219885), (15, 175908), (18, 146590), (20, 131931), (30, 87954), (36, 73295), (45, 58636), (60, 43977), (90, 29318), (107, 24660), (137, 19260), (180, 14659), (214, 12330), (274, 9630), (321, 8220), (411, 6420), (428, 6165), (535, 4932), (548, 4815), (642, 4110), (685, 3852), (822, 3210), (963, 2740), (1070, 2466), (1233, 2140), (1284, 2055), (1370, 1926), (1605, 1644)]