81318510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9929}}^1$

素因数の和:9962

約数の個数: 96

約数和(自身を含む): 260245440

約数和(自身を除く): 178926930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095, 8190, 9929, 19858, 29787, 49645, 59574, 69503, 89361, 99290, 129077, 139006, 148935, 178722, 208509, 258154, 297870, 347515, 387231, 417018, 446805, 625527, 645385, 695030, 774462, 893610, 903539, 1042545, 1161693, 1251054, 1290770, 1807078, 1936155, 2085090, 2323386, 2710617, 3127635, 3872310, 4517695, 5421234, 5808465, 6255270, 8131851, 9035390, 11616930, 13553085, 16263702, 27106170, 40659255, 81318510]

約数ペア:

[(1, 81318510), (2, 40659255), (3, 27106170), (5, 16263702), (6, 13553085), (7, 11616930), (9, 9035390), (10, 8131851), (13, 6255270), (14, 5808465), (15, 5421234), (18, 4517695), (21, 3872310), (26, 3127635), (30, 2710617), (35, 2323386), (39, 2085090), (42, 1936155), (45, 1807078), (63, 1290770), (65, 1251054), (70, 1161693), (78, 1042545), (90, 903539), (91, 893610), (105, 774462), (117, 695030), (126, 645385), (130, 625527), (182, 446805), (195, 417018), (210, 387231), (234, 347515), (273, 297870), (315, 258154), (390, 208509), (455, 178722), (546, 148935), (585, 139006), (630, 129077), (819, 99290), (910, 89361), (1170, 69503), (1365, 59574), (1638, 49645), (2730, 29787), (4095, 19858), (8190, 9929)]