71315580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 235339776

約数和(自身を除く): 164024196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 191, 196, 210, 245, 254, 294, 381, 382, 420, 490, 508, 573, 588, 635, 735, 762, 764, 889, 955, 980, 1146, 1270, 1337, 1470, 1524, 1778, 1905, 1910, 2292, 2540, 2667, 2674, 2865, 2940, 3556, 3810, 3820, 4011, 4445, 5334, 5348, 5730, 6223, 6685, 7620, 8022, 8890, 9359, 10668, 11460, 12446, 13335, 13370, 16044, 17780, 18669, 18718, 20055, 24257, 24892, 26670, 26740, 28077, 31115, 37338, 37436, 40110, 46795, 48514, 53340, 56154, 62230, 72771, 74676, 80220, 93345, 93590, 97028, 112308, 121285, 124460, 140385, 145542, 169799, 186690, 187180, 242570, 280770, 291084, 339598, 363855, 373380, 485140, 509397, 561540, 679196, 727710, 848995, 1018794, 1188593, 1455420, 1697990, 2037588, 2377186, 2546985, 3395980, 3565779, 4754372, 5093970, 5942965, 7131558, 10187940, 11885930, 14263116, 17828895, 23771860, 35657790, 71315580]

約数ペア:

[(1, 71315580), (2, 35657790), (3, 23771860), (4, 17828895), (5, 14263116), (6, 11885930), (7, 10187940), (10, 7131558), (12, 5942965), (14, 5093970), (15, 4754372), (20, 3565779), (21, 3395980), (28, 2546985), (30, 2377186), (35, 2037588), (42, 1697990), (49, 1455420), (60, 1188593), (70, 1018794), (84, 848995), (98, 727710), (105, 679196), (127, 561540), (140, 509397), (147, 485140), (191, 373380), (196, 363855), (210, 339598), (245, 291084), (254, 280770), (294, 242570), (381, 187180), (382, 186690), (420, 169799), (490, 145542), (508, 140385), (573, 124460), (588, 121285), (635, 112308), (735, 97028), (762, 93590), (764, 93345), (889, 80220), (955, 74676), (980, 72771), (1146, 62230), (1270, 56154), (1337, 53340), (1470, 48514), (1524, 46795), (1778, 40110), (1905, 37436), (1910, 37338), (2292, 31115), (2540, 28077), (2667, 26740), (2674, 26670), (2865, 24892), (2940, 24257), (3556, 20055), (3810, 18718), (3820, 18669), (4011, 17780), (4445, 16044), (5334, 13370), (5348, 13335), (5730, 12446), (6223, 11460), (6685, 10668), (7620, 9359), (8022, 8890)]