15200920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^2$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 39256560

約数和(自身を除く): 24055640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 932, 1165, 1631, 1864, 2330, 3262, 4660, 6524, 8155, 9320, 13048, 16310, 32620, 54289, 65240, 108578, 217156, 271445, 380023, 434312, 542890, 760046, 1085780, 1520092, 1900115, 2171560, 3040184, 3800230, 7600460, 15200920]

約数ペア:

[(1, 15200920), (2, 7600460), (4, 3800230), (5, 3040184), (7, 2171560), (8, 1900115), (10, 1520092), (14, 1085780), (20, 760046), (28, 542890), (35, 434312), (40, 380023), (56, 271445), (70, 217156), (140, 108578), (233, 65240), (280, 54289), (466, 32620), (932, 16310), (1165, 13048), (1631, 9320), (1864, 8155), (2330, 6524), (3262, 4660)]