131999490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 405411840

約数和(自身を除く): 273412350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 211, 270, 315, 331, 378, 422, 630, 633, 662, 945, 993, 1055, 1266, 1477, 1655, 1890, 1899, 1986, 2110, 2317, 2954, 2979, 3165, 3310, 3798, 4431, 4634, 4965, 5697, 5958, 6330, 6951, 7385, 8862, 8937, 9495, 9930, 11394, 11585, 13293, 13902, 14770, 14895, 17874, 18990, 20853, 22155, 23170, 26586, 28485, 29790, 34755, 39879, 41706, 44310, 44685, 56970, 62559, 66465, 69510, 69841, 79758, 89370, 104265, 125118, 132930, 139682, 199395, 208530, 209523, 312795, 349205, 398790, 419046, 488887, 625590, 628569, 698410, 977774, 1047615, 1257138, 1466661, 1885707, 2095230, 2444435, 2933322, 3142845, 3771414, 4399983, 4888870, 6285690, 7333305, 8799966, 9428535, 13199949, 14666610, 18857070, 21999915, 26399898, 43999830, 65999745, 131999490]

約数ペア:

[(1, 131999490), (2, 65999745), (3, 43999830), (5, 26399898), (6, 21999915), (7, 18857070), (9, 14666610), (10, 13199949), (14, 9428535), (15, 8799966), (18, 7333305), (21, 6285690), (27, 4888870), (30, 4399983), (35, 3771414), (42, 3142845), (45, 2933322), (54, 2444435), (63, 2095230), (70, 1885707), (90, 1466661), (105, 1257138), (126, 1047615), (135, 977774), (189, 698410), (210, 628569), (211, 625590), (270, 488887), (315, 419046), (331, 398790), (378, 349205), (422, 312795), (630, 209523), (633, 208530), (662, 199395), (945, 139682), (993, 132930), (1055, 125118), (1266, 104265), (1477, 89370), (1655, 79758), (1890, 69841), (1899, 69510), (1986, 66465), (2110, 62559), (2317, 56970), (2954, 44685), (2979, 44310), (3165, 41706), (3310, 39879), (3798, 34755), (4431, 29790), (4634, 28485), (4965, 26586), (5697, 23170), (5958, 22155), (6330, 20853), (6951, 18990), (7385, 17874), (8862, 14895), (8937, 14770), (9495, 13902), (9930, 13293), (11394, 11585)]