31991190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1259}}^1$

素因数の和:1298

約数の個数: 96

約数和(自身を含む): 96526080

約数和(自身を除く): 64534890

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 121, 154, 165, 210, 231, 242, 330, 363, 385, 462, 605, 726, 770, 847, 1155, 1210, 1259, 1694, 1815, 2310, 2518, 2541, 3630, 3777, 4235, 5082, 6295, 7554, 8470, 8813, 12590, 12705, 13849, 17626, 18885, 25410, 26439, 27698, 37770, 41547, 44065, 52878, 69245, 83094, 88130, 96943, 132195, 138490, 152339, 193886, 207735, 264390, 290829, 304678, 415470, 457017, 484715, 581658, 761695, 914034, 969430, 1066373, 1454145, 1523390, 2132746, 2285085, 2908290, 3199119, 4570170, 5331865, 6398238, 10663730, 15995595, 31991190]

約数ペア:

[(1, 31991190), (2, 15995595), (3, 10663730), (5, 6398238), (6, 5331865), (7, 4570170), (10, 3199119), (11, 2908290), (14, 2285085), (15, 2132746), (21, 1523390), (22, 1454145), (30, 1066373), (33, 969430), (35, 914034), (42, 761695), (55, 581658), (66, 484715), (70, 457017), (77, 415470), (105, 304678), (110, 290829), (121, 264390), (154, 207735), (165, 193886), (210, 152339), (231, 138490), (242, 132195), (330, 96943), (363, 88130), (385, 83094), (462, 69245), (605, 52878), (726, 44065), (770, 41547), (847, 37770), (1155, 27698), (1210, 26439), (1259, 25410), (1694, 18885), (1815, 17626), (2310, 13849), (2518, 12705), (2541, 12590), (3630, 8813), (3777, 8470), (4235, 7554), (5082, 6295)]