7825720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 21196800

約数和(自身を除く): 13371080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 1471, 2660, 2942, 5320, 5884, 7355, 10297, 11768, 14710, 20594, 27949, 29420, 41188, 51485, 55898, 58840, 82376, 102970, 111796, 139745, 195643, 205940, 223592, 279490, 391286, 411880, 558980, 782572, 978215, 1117960, 1565144, 1956430, 3912860, 7825720]

約数ペア:

[(1, 7825720), (2, 3912860), (4, 1956430), (5, 1565144), (7, 1117960), (8, 978215), (10, 782572), (14, 558980), (19, 411880), (20, 391286), (28, 279490), (35, 223592), (38, 205940), (40, 195643), (56, 139745), (70, 111796), (76, 102970), (95, 82376), (133, 58840), (140, 55898), (152, 51485), (190, 41188), (266, 29420), (280, 27949), (380, 20594), (532, 14710), (665, 11768), (760, 10297), (1064, 7355), (1330, 5884), (1471, 5320), (2660, 2942)]