72313720

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5813}}^1$

素因数の和:6135

約数の個数: 32

約数和(自身を含む): 163257120

約数和(自身を除く): 90943400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 5813, 6220, 11626, 12440, 23252, 29065, 46504, 58130, 116260, 232520, 1807843, 3615686, 7231372, 9039215, 14462744, 18078430, 36156860, 72313720]

約数ペア:

[(1, 72313720), (2, 36156860), (4, 18078430), (5, 14462744), (8, 9039215), (10, 7231372), (20, 3615686), (40, 1807843), (311, 232520), (622, 116260), (1244, 58130), (1555, 46504), (2488, 29065), (3110, 23252), (5813, 12440), (6220, 11626)]