16656255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 39836160

約数和(自身を除く): 23179905

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 23, 33, 35, 45, 55, 57, 63, 69, 77, 95, 99, 105, 115, 121, 133, 161, 165, 171, 207, 209, 231, 253, 285, 315, 345, 363, 385, 399, 437, 483, 495, 605, 627, 665, 693, 759, 805, 847, 855, 1035, 1045, 1089, 1155, 1197, 1265, 1311, 1449, 1463, 1771, 1815, 1881, 1995, 2185, 2277, 2299, 2415, 2541, 2783, 3059, 3135, 3465, 3795, 3933, 4235, 4389, 4807, 5313, 5445, 5985, 6555, 6897, 7245, 7315, 7623, 8349, 8855, 9177, 9405, 11385, 11495, 12705, 13167, 13915, 14421, 15295, 15939, 16093, 19481, 19665, 20691, 21945, 24035, 25047, 26565, 27531, 33649, 34485, 38115, 41745, 43263, 45885, 48279, 52877, 58443, 65835, 72105, 79695, 80465, 97405, 100947, 103455, 125235, 137655, 144837, 158631, 168245, 175329, 216315, 241395, 264385, 292215, 302841, 370139, 475893, 504735, 724185, 793155, 876645, 1110417, 1514205, 1850695, 2379465, 3331251, 5552085, 16656255]

約数ペア:

[(1, 16656255), (3, 5552085), (5, 3331251), (7, 2379465), (9, 1850695), (11, 1514205), (15, 1110417), (19, 876645), (21, 793155), (23, 724185), (33, 504735), (35, 475893), (45, 370139), (55, 302841), (57, 292215), (63, 264385), (69, 241395), (77, 216315), (95, 175329), (99, 168245), (105, 158631), (115, 144837), (121, 137655), (133, 125235), (161, 103455), (165, 100947), (171, 97405), (207, 80465), (209, 79695), (231, 72105), (253, 65835), (285, 58443), (315, 52877), (345, 48279), (363, 45885), (385, 43263), (399, 41745), (437, 38115), (483, 34485), (495, 33649), (605, 27531), (627, 26565), (665, 25047), (693, 24035), (759, 21945), (805, 20691), (847, 19665), (855, 19481), (1035, 16093), (1045, 15939), (1089, 15295), (1155, 14421), (1197, 13915), (1265, 13167), (1311, 12705), (1449, 11495), (1463, 11385), (1771, 9405), (1815, 9177), (1881, 8855), (1995, 8349), (2185, 7623), (2277, 7315), (2299, 7245), (2415, 6897), (2541, 6555), (2783, 5985), (3059, 5445), (3135, 5313), (3465, 4807), (3795, 4389), (3933, 4235)]