81107760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{337949}}^1$

素因数の和:337965

約数の個数: 40

約数和(自身を含む): 251434800

約数和(自身を除く): 170327040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 337949, 675898, 1013847, 1351796, 1689745, 2027694, 2703592, 3379490, 4055388, 5069235, 5407184, 6758980, 8110776, 10138470, 13517960, 16221552, 20276940, 27035920, 40553880, 81107760]

約数ペア:

[(1, 81107760), (2, 40553880), (3, 27035920), (4, 20276940), (5, 16221552), (6, 13517960), (8, 10138470), (10, 8110776), (12, 6758980), (15, 5407184), (16, 5069235), (20, 4055388), (24, 3379490), (30, 2703592), (40, 2027694), (48, 1689745), (60, 1351796), (80, 1013847), (120, 675898), (240, 337949)]