80639748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13913}}^1$

素因数の和:13953

約数の個数: 72

約数和(自身を含む): 243105408

約数和(自身を除く): 162465660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 5796, 13913, 27826, 41739, 55652, 83478, 97391, 125217, 166956, 194782, 250434, 292173, 319999, 389564, 500868, 584346, 639998, 876519, 959997, 1168692, 1279996, 1753038, 1919994, 2239993, 2879991, 3506076, 3839988, 4479986, 5759982, 6719979, 8959972, 11519964, 13439958, 20159937, 26879916, 40319874, 80639748]

約数ペア:

[(1, 80639748), (2, 40319874), (3, 26879916), (4, 20159937), (6, 13439958), (7, 11519964), (9, 8959972), (12, 6719979), (14, 5759982), (18, 4479986), (21, 3839988), (23, 3506076), (28, 2879991), (36, 2239993), (42, 1919994), (46, 1753038), (63, 1279996), (69, 1168692), (84, 959997), (92, 876519), (126, 639998), (138, 584346), (161, 500868), (207, 389564), (252, 319999), (276, 292173), (322, 250434), (414, 194782), (483, 166956), (644, 125217), (828, 97391), (966, 83478), (1449, 55652), (1932, 41739), (2898, 27826), (5796, 13913)]