81353440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3823}}^1$

素因数の和:3864

約数の個数: 96

約数和(自身を含む): 231275520

約数和(自身を除く): 149922080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 3823, 4256, 5320, 7646, 10640, 15292, 19115, 21280, 26761, 30584, 38230, 53522, 61168, 72637, 76460, 107044, 122336, 133805, 145274, 152920, 214088, 267610, 290548, 305840, 363185, 428176, 508459, 535220, 581096, 611680, 726370, 856352, 1016918, 1070440, 1162192, 1452740, 2033836, 2140880, 2324384, 2542295, 2905480, 4067672, 4281760, 5084590, 5810960, 8135344, 10169180, 11621920, 16270688, 20338360, 40676720, 81353440]

約数ペア:

[(1, 81353440), (2, 40676720), (4, 20338360), (5, 16270688), (7, 11621920), (8, 10169180), (10, 8135344), (14, 5810960), (16, 5084590), (19, 4281760), (20, 4067672), (28, 2905480), (32, 2542295), (35, 2324384), (38, 2140880), (40, 2033836), (56, 1452740), (70, 1162192), (76, 1070440), (80, 1016918), (95, 856352), (112, 726370), (133, 611680), (140, 581096), (152, 535220), (160, 508459), (190, 428176), (224, 363185), (266, 305840), (280, 290548), (304, 267610), (380, 214088), (532, 152920), (560, 145274), (608, 133805), (665, 122336), (760, 107044), (1064, 76460), (1120, 72637), (1330, 61168), (1520, 53522), (2128, 38230), (2660, 30584), (3040, 26761), (3823, 21280), (4256, 19115), (5320, 15292), (7646, 10640)]