123203280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{513347}}^1$

素因数の和:513363

約数の個数: 40

約数和(自身を含む): 381930912

約数和(自身を除く): 258727632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 513347, 1026694, 1540041, 2053388, 2566735, 3080082, 4106776, 5133470, 6160164, 7700205, 8213552, 10266940, 12320328, 15400410, 20533880, 24640656, 30800820, 41067760, 61601640, 123203280]

約数ペア:

[(1, 123203280), (2, 61601640), (3, 41067760), (4, 30800820), (5, 24640656), (6, 20533880), (8, 15400410), (10, 12320328), (12, 10266940), (15, 8213552), (16, 7700205), (20, 6160164), (24, 5133470), (30, 4106776), (40, 3080082), (48, 2566735), (60, 2053388), (80, 1540041), (120, 1026694), (240, 513347)]