1238866440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{3079}}^1$

素因数の和:3579

約数の個数: 128

約数和(自身を含む): 4257792000

約数和(自身を除く): 3018925560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 479, 840, 958, 1437, 1916, 2395, 2874, 3079, 3353, 3832, 4790, 5748, 6158, 6706, 7185, 9237, 9580, 10059, 11496, 12316, 13412, 14370, 15395, 16765, 18474, 19160, 20118, 21553, 24632, 26824, 28740, 30790, 33530, 36948, 40236, 43106, 46185, 50295, 57480, 61580, 64659, 67060, 73896, 80472, 86212, 92370, 100590, 107765, 123160, 129318, 134120, 172424, 184740, 201180, 215530, 258636, 323295, 369480, 402360, 431060, 517272, 646590, 862120, 1293180, 1474841, 2586360, 2949682, 4424523, 5899364, 7374205, 8849046, 10323887, 11798728, 14748410, 17698092, 20647774, 22122615, 29496820, 30971661, 35396184, 41295548, 44245230, 51619435, 58993640, 61943322, 82591096, 88490460, 103238870, 123886644, 154858305, 176980920, 206477740, 247773288, 309716610, 412955480, 619433220, 1238866440]

約数ペア:

[(1, 1238866440), (2, 619433220), (3, 412955480), (4, 309716610), (5, 247773288), (6, 206477740), (7, 176980920), (8, 154858305), (10, 123886644), (12, 103238870), (14, 88490460), (15, 82591096), (20, 61943322), (21, 58993640), (24, 51619435), (28, 44245230), (30, 41295548), (35, 35396184), (40, 30971661), (42, 29496820), (56, 22122615), (60, 20647774), (70, 17698092), (84, 14748410), (105, 11798728), (120, 10323887), (140, 8849046), (168, 7374205), (210, 5899364), (280, 4424523), (420, 2949682), (479, 2586360), (840, 1474841), (958, 1293180), (1437, 862120), (1916, 646590), (2395, 517272), (2874, 431060), (3079, 402360), (3353, 369480), (3832, 323295), (4790, 258636), (5748, 215530), (6158, 201180), (6706, 184740), (7185, 172424), (9237, 134120), (9580, 129318), (10059, 123160), (11496, 107765), (12316, 100590), (13412, 92370), (14370, 86212), (15395, 80472), (16765, 73896), (18474, 67060), (19160, 64659), (20118, 61580), (21553, 57480), (24632, 50295), (26824, 46185), (28740, 43106), (30790, 40236), (33530, 36948)]