126268720

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1951}}^1$

素因数の和:2773

約数の個数: 40

約数和(自身を含む): 294088320

約数和(自身を除く): 167819600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 1951, 3236, 3902, 4045, 6472, 7804, 8090, 9755, 12944, 15608, 16180, 19510, 31216, 32360, 39020, 64720, 78040, 156080, 1578359, 3156718, 6313436, 7891795, 12626872, 15783590, 25253744, 31567180, 63134360, 126268720]

約数ペア:

[(1, 126268720), (2, 63134360), (4, 31567180), (5, 25253744), (8, 15783590), (10, 12626872), (16, 7891795), (20, 6313436), (40, 3156718), (80, 1578359), (809, 156080), (1618, 78040), (1951, 64720), (3236, 39020), (3902, 32360), (4045, 31216), (6472, 19510), (7804, 16180), (8090, 15608), (9755, 12944)]