1639184690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^3\times {\mathrm{47}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 3666539520

約数和(自身を除く): 2027354830

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 47, 55, 58, 65, 94, 110, 130, 143, 145, 235, 286, 290, 319, 377, 470, 517, 611, 638, 715, 754, 841, 1034, 1222, 1363, 1430, 1595, 1682, 1885, 2585, 2726, 3055, 3190, 3770, 4147, 4205, 5170, 6110, 6721, 6815, 8294, 8410, 9251, 10933, 13442, 13630, 14993, 17719, 18502, 20735, 21866, 24389, 29986, 33605, 35438, 39527, 41470, 46255, 48778, 54665, 67210, 74965, 79054, 88595, 92510, 109330, 120263, 121945, 149930, 177190, 194909, 197635, 240526, 243890, 268279, 317057, 389818, 395270, 434797, 513851, 536558, 601315, 634114, 869594, 974545, 1027702, 1146283, 1202630, 1341395, 1585285, 1949090, 2173985, 2292566, 2569255, 2682790, 3170570, 3487627, 4347970, 5138510, 5652361, 5731415, 6975254, 11304722, 11462830, 12609113, 14901679, 17438135, 25218226, 28261805, 29803358, 34876270, 56523610, 63045565, 74508395, 126091130, 149016790, 163918469, 327836938, 819592345, 1639184690]

約数ペア:

[(1, 1639184690), (2, 819592345), (5, 327836938), (10, 163918469), (11, 149016790), (13, 126091130), (22, 74508395), (26, 63045565), (29, 56523610), (47, 34876270), (55, 29803358), (58, 28261805), (65, 25218226), (94, 17438135), (110, 14901679), (130, 12609113), (143, 11462830), (145, 11304722), (235, 6975254), (286, 5731415), (290, 5652361), (319, 5138510), (377, 4347970), (470, 3487627), (517, 3170570), (611, 2682790), (638, 2569255), (715, 2292566), (754, 2173985), (841, 1949090), (1034, 1585285), (1222, 1341395), (1363, 1202630), (1430, 1146283), (1595, 1027702), (1682, 974545), (1885, 869594), (2585, 634114), (2726, 601315), (3055, 536558), (3190, 513851), (3770, 434797), (4147, 395270), (4205, 389818), (5170, 317057), (6110, 268279), (6721, 243890), (6815, 240526), (8294, 197635), (8410, 194909), (9251, 177190), (10933, 149930), (13442, 121945), (13630, 120263), (14993, 109330), (17719, 92510), (18502, 88595), (20735, 79054), (21866, 74965), (24389, 67210), (29986, 54665), (33605, 48778), (35438, 46255), (39527, 41470)]