84965720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15971}}^1$

素因数の和:16008

約数の個数: 64

約数和(自身を含む): 229996800

約数和(自身を除く): 145031080

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, 2660, 5320, 15971, 31942, 63884, 79855, 111797, 127768, 159710, 223594, 303449, 319420, 447188, 558985, 606898, 638840, 894376, 1117970, 1213796, 1517245, 2124143, 2235940, 2427592, 3034490, 4248286, 4471880, 6068980, 8496572, 10620715, 12137960, 16993144, 21241430, 42482860, 84965720]

約数ペア:

[(1, 84965720), (2, 42482860), (4, 21241430), (5, 16993144), (7, 12137960), (8, 10620715), (10, 8496572), (14, 6068980), (19, 4471880), (20, 4248286), (28, 3034490), (35, 2427592), (38, 2235940), (40, 2124143), (56, 1517245), (70, 1213796), (76, 1117970), (95, 894376), (133, 638840), (140, 606898), (152, 558985), (190, 447188), (266, 319420), (280, 303449), (380, 223594), (532, 159710), (665, 127768), (760, 111797), (1064, 79855), (1330, 63884), (2660, 31942), (5320, 15971)]