51490320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{30649}}^1$

素因数の和:30672

約数の個数: 80

約数和(自身を含む): 182428800

約数和(自身を除く): 130938480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 30649, 61298, 91947, 122596, 153245, 183894, 214543, 245192, 306490, 367788, 429086, 459735, 490384, 612980, 643629, 735576, 858172, 919470, 1072715, 1225960, 1287258, 1471152, 1716344, 1838940, 2145430, 2451920, 2574516, 3218145, 3432688, 3677880, 4290860, 5149032, 6436290, 7355760, 8581720, 10298064, 12872580, 17163440, 25745160, 51490320]

約数ペア:

[(1, 51490320), (2, 25745160), (3, 17163440), (4, 12872580), (5, 10298064), (6, 8581720), (7, 7355760), (8, 6436290), (10, 5149032), (12, 4290860), (14, 3677880), (15, 3432688), (16, 3218145), (20, 2574516), (21, 2451920), (24, 2145430), (28, 1838940), (30, 1716344), (35, 1471152), (40, 1287258), (42, 1225960), (48, 1072715), (56, 919470), (60, 858172), (70, 735576), (80, 643629), (84, 612980), (105, 490384), (112, 459735), (120, 429086), (140, 367788), (168, 306490), (210, 245192), (240, 214543), (280, 183894), (336, 153245), (420, 122596), (560, 91947), (840, 61298), (1680, 30649)]