71665720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{709}}^1$

素因数の和:765

約数の個数: 96

約数和(自身を含む): 194767200

約数和(自身を除く): 123101480

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, 361, 380, 532, 665, 709, 722, 760, 1064, 1330, 1418, 1444, 1805, 2527, 2660, 2836, 2888, 3545, 3610, 4963, 5054, 5320, 5672, 7090, 7220, 9926, 10108, 12635, 13471, 14180, 14440, 19852, 20216, 24815, 25270, 26942, 28360, 39704, 49630, 50540, 53884, 67355, 94297, 99260, 101080, 107768, 134710, 188594, 198520, 255949, 269420, 377188, 471485, 511898, 538840, 754376, 942970, 1023796, 1279745, 1791643, 1885940, 2047592, 2559490, 3583286, 3771880, 5118980, 7166572, 8958215, 10237960, 14333144, 17916430, 35832860, 71665720]

約数ペア:

[(1, 71665720), (2, 35832860), (4, 17916430), (5, 14333144), (7, 10237960), (8, 8958215), (10, 7166572), (14, 5118980), (19, 3771880), (20, 3583286), (28, 2559490), (35, 2047592), (38, 1885940), (40, 1791643), (56, 1279745), (70, 1023796), (76, 942970), (95, 754376), (133, 538840), (140, 511898), (152, 471485), (190, 377188), (266, 269420), (280, 255949), (361, 198520), (380, 188594), (532, 134710), (665, 107768), (709, 101080), (722, 99260), (760, 94297), (1064, 67355), (1330, 53884), (1418, 50540), (1444, 49630), (1805, 39704), (2527, 28360), (2660, 26942), (2836, 25270), (2888, 24815), (3545, 20216), (3610, 19852), (4963, 14440), (5054, 14180), (5320, 13471), (5672, 12635), (7090, 10108), (7220, 9926)]