131401620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{104287}}^1$

素因数の和:104309

約数の個数: 72

約数和(自身を含む): 455529984

約数和(自身を除く): 324128364

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, 104287, 208574, 312861, 417148, 521435, 625722, 730009, 938583, 1042870, 1251444, 1460018, 1564305, 1877166, 2085740, 2190027, 2920036, 3128610, 3650045, 3754332, 4380054, 4692915, 6257220, 6570081, 7300090, 8760108, 9385830, 10950135, 13140162, 14600180, 18771660, 21900270, 26280324, 32850405, 43800540, 65700810, 131401620]

約数ペア:

[(1, 131401620), (2, 65700810), (3, 43800540), (4, 32850405), (5, 26280324), (6, 21900270), (7, 18771660), (9, 14600180), (10, 13140162), (12, 10950135), (14, 9385830), (15, 8760108), (18, 7300090), (20, 6570081), (21, 6257220), (28, 4692915), (30, 4380054), (35, 3754332), (36, 3650045), (42, 3128610), (45, 2920036), (60, 2190027), (63, 2085740), (70, 1877166), (84, 1564305), (90, 1460018), (105, 1251444), (126, 1042870), (140, 938583), (180, 730009), (210, 625722), (252, 521435), (315, 417148), (420, 312861), (630, 208574), (1260, 104287)]