180520688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 388546560

約数和(自身を除く): 208025872

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 79, 124, 136, 158, 248, 271, 272, 316, 496, 527, 542, 632, 1054, 1084, 1264, 1343, 2108, 2168, 2449, 2686, 4216, 4336, 4607, 4898, 5372, 8401, 8432, 9214, 9796, 10744, 16802, 18428, 19592, 21409, 21488, 33604, 36856, 39184, 41633, 42818, 67208, 73712, 83266, 85636, 134416, 142817, 166532, 171272, 285634, 333064, 342544, 363953, 571268, 663679, 666128, 727906, 1142536, 1327358, 1455812, 2285072, 2654716, 2911624, 5309432, 5823248, 10618864, 11282543, 22565086, 45130172, 90260344, 180520688]

約数ペア:

[(1, 180520688), (2, 90260344), (4, 45130172), (8, 22565086), (16, 11282543), (17, 10618864), (31, 5823248), (34, 5309432), (62, 2911624), (68, 2654716), (79, 2285072), (124, 1455812), (136, 1327358), (158, 1142536), (248, 727906), (271, 666128), (272, 663679), (316, 571268), (496, 363953), (527, 342544), (542, 333064), (632, 285634), (1054, 171272), (1084, 166532), (1264, 142817), (1343, 134416), (2108, 85636), (2168, 83266), (2449, 73712), (2686, 67208), (4216, 42818), (4336, 41633), (4607, 39184), (4898, 36856), (5372, 33604), (8401, 21488), (8432, 21409), (9214, 19592), (9796, 18428), (10744, 16802)]