71457960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:995

約数の個数: 128

約数和(自身を含む): 247806720

約数和(自身を除く): 176348760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 877, 970, 1164, 1358, 1455, 1754, 1940, 2037, 2328, 2631, 2716, 2910, 3395, 3508, 3880, 4074, 4385, 5262, 5432, 5820, 6139, 6790, 7016, 8148, 8770, 10185, 10524, 11640, 12278, 13155, 13580, 16296, 17540, 18417, 20370, 21048, 24556, 26310, 27160, 30695, 35080, 36834, 40740, 49112, 52620, 61390, 73668, 81480, 85069, 92085, 105240, 122780, 147336, 170138, 184170, 245560, 255207, 340276, 368340, 425345, 510414, 595483, 680552, 736680, 850690, 1020828, 1190966, 1276035, 1701380, 1786449, 2041656, 2381932, 2552070, 2977415, 3402760, 3572898, 4763864, 5104140, 5954830, 7145796, 8932245, 10208280, 11909660, 14291592, 17864490, 23819320, 35728980, 71457960]

約数ペア:

[(1, 71457960), (2, 35728980), (3, 23819320), (4, 17864490), (5, 14291592), (6, 11909660), (7, 10208280), (8, 8932245), (10, 7145796), (12, 5954830), (14, 5104140), (15, 4763864), (20, 3572898), (21, 3402760), (24, 2977415), (28, 2552070), (30, 2381932), (35, 2041656), (40, 1786449), (42, 1701380), (56, 1276035), (60, 1190966), (70, 1020828), (84, 850690), (97, 736680), (105, 680552), (120, 595483), (140, 510414), (168, 425345), (194, 368340), (210, 340276), (280, 255207), (291, 245560), (388, 184170), (420, 170138), (485, 147336), (582, 122780), (679, 105240), (776, 92085), (840, 85069), (877, 81480), (970, 73668), (1164, 61390), (1358, 52620), (1455, 49112), (1754, 40740), (1940, 36834), (2037, 35080), (2328, 30695), (2631, 27160), (2716, 26310), (2910, 24556), (3395, 21048), (3508, 20370), (3880, 18417), (4074, 17540), (4385, 16296), (5262, 13580), (5432, 13155), (5820, 12278), (6139, 11640), (6790, 10524), (7016, 10185), (8148, 8770)]