140985180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{111893}}^1$

素因数の和:111915

約数の個数: 72

約数和(自身を含む): 488752992

約数和(自身を除く): 347767812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 111893, 223786, 335679, 447572, 559465, 671358, 783251, 1007037, 1118930, 1342716, 1566502, 1678395, 2014074, 2237860, 2349753, 3133004, 3356790, 3916255, 4028148, 4699506, 5035185, 6713580, 7049259, 7832510, 9399012, 10070370, 11748765, 14098518, 15665020, 20140740, 23497530, 28197036, 35246295, 46995060, 70492590, 140985180]

約数ペア:

[(1, 140985180), (2, 70492590), (3, 46995060), (4, 35246295), (5, 28197036), (6, 23497530), (7, 20140740), (9, 15665020), (10, 14098518), (12, 11748765), (14, 10070370), (15, 9399012), (18, 7832510), (20, 7049259), (21, 6713580), (28, 5035185), (30, 4699506), (35, 4028148), (36, 3916255), (42, 3356790), (45, 3133004), (60, 2349753), (63, 2237860), (70, 2014074), (84, 1678395), (90, 1566502), (105, 1342716), (126, 1118930), (140, 1007037), (180, 783251), (210, 671358), (252, 559465), (315, 447572), (420, 335679), (630, 223786), (1260, 111893)]