72327640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1073

約数の個数: 128

約数和(自身を含む): 211921920

約数和(自身を除く): 139594280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1021, 1265, 1288, 1540, 1610, 1771, 2024, 2042, 2530, 3080, 3220, 3542, 4084, 5060, 5105, 6440, 7084, 7147, 8168, 8855, 10120, 10210, 11231, 14168, 14294, 17710, 20420, 22462, 23483, 28588, 35420, 35735, 40840, 44924, 46966, 56155, 57176, 70840, 71470, 78617, 89848, 93932, 112310, 117415, 142940, 157234, 164381, 187864, 224620, 234830, 258313, 285880, 314468, 328762, 393085, 449240, 469660, 516626, 628936, 657524, 786170, 821905, 939320, 1033252, 1291565, 1315048, 1572340, 1643810, 1808191, 2066504, 2583130, 3144680, 3287620, 3616382, 5166260, 6575240, 7232764, 9040955, 10332520, 14465528, 18081910, 36163820, 72327640]

約数ペア:

[(1, 72327640), (2, 36163820), (4, 18081910), (5, 14465528), (7, 10332520), (8, 9040955), (10, 7232764), (11, 6575240), (14, 5166260), (20, 3616382), (22, 3287620), (23, 3144680), (28, 2583130), (35, 2066504), (40, 1808191), (44, 1643810), (46, 1572340), (55, 1315048), (56, 1291565), (70, 1033252), (77, 939320), (88, 821905), (92, 786170), (110, 657524), (115, 628936), (140, 516626), (154, 469660), (161, 449240), (184, 393085), (220, 328762), (230, 314468), (253, 285880), (280, 258313), (308, 234830), (322, 224620), (385, 187864), (440, 164381), (460, 157234), (506, 142940), (616, 117415), (644, 112310), (770, 93932), (805, 89848), (920, 78617), (1012, 71470), (1021, 70840), (1265, 57176), (1288, 56155), (1540, 46966), (1610, 44924), (1771, 40840), (2024, 35735), (2042, 35420), (2530, 28588), (3080, 23483), (3220, 22462), (3542, 20420), (4084, 17710), (5060, 14294), (5105, 14168), (6440, 11231), (7084, 10210), (7147, 10120), (8168, 8855)]