814321320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{43223}}^1$

素因数の和:43394

約数の個数: 64

約数和(自身を含む): 2458581120

約数和(自身を除く): 1644259800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 43223, 86446, 129669, 172892, 216115, 259338, 345784, 432230, 518676, 648345, 864460, 1037352, 1296690, 1728920, 2593380, 5186760, 6786011, 13572022, 20358033, 27144044, 33930055, 40716066, 54288088, 67860110, 81432132, 101790165, 135720220, 162864264, 203580330, 271440440, 407160660, 814321320]

約数ペア:

[(1, 814321320), (2, 407160660), (3, 271440440), (4, 203580330), (5, 162864264), (6, 135720220), (8, 101790165), (10, 81432132), (12, 67860110), (15, 54288088), (20, 40716066), (24, 33930055), (30, 27144044), (40, 20358033), (60, 13572022), (120, 6786011), (157, 5186760), (314, 2593380), (471, 1728920), (628, 1296690), (785, 1037352), (942, 864460), (1256, 648345), (1570, 518676), (1884, 432230), (2355, 345784), (3140, 259338), (3768, 216115), (4710, 172892), (6280, 129669), (9420, 86446), (18840, 43223)]