87999660

素因数分解:

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

素因数の和:564

約数の個数: 144

約数和(自身を含む): 307437312

約数和(自身を除く): 219437652

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, 211, 252, 315, 331, 420, 422, 630, 633, 662, 844, 993, 1055, 1260, 1266, 1324, 1477, 1655, 1899, 1986, 2110, 2317, 2532, 2954, 2979, 3165, 3310, 3798, 3972, 4220, 4431, 4634, 4965, 5908, 5958, 6330, 6620, 6951, 7385, 7596, 8862, 9268, 9495, 9930, 11585, 11916, 12660, 13293, 13902, 14770, 14895, 17724, 18990, 19860, 20853, 22155, 23170, 26586, 27804, 29540, 29790, 34755, 37980, 41706, 44310, 46340, 53172, 59580, 66465, 69510, 69841, 83412, 88620, 104265, 132930, 139020, 139682, 208530, 209523, 265860, 279364, 349205, 417060, 419046, 488887, 628569, 698410, 838092, 977774, 1047615, 1257138, 1396820, 1466661, 1955548, 2095230, 2444435, 2514276, 2933322, 3142845, 4190460, 4399983, 4888870, 5866644, 6285690, 7333305, 8799966, 9777740, 12571380, 14666610, 17599932, 21999915, 29333220, 43999830, 87999660]

約数ペア:

[(1, 87999660), (2, 43999830), (3, 29333220), (4, 21999915), (5, 17599932), (6, 14666610), (7, 12571380), (9, 9777740), (10, 8799966), (12, 7333305), (14, 6285690), (15, 5866644), (18, 4888870), (20, 4399983), (21, 4190460), (28, 3142845), (30, 2933322), (35, 2514276), (36, 2444435), (42, 2095230), (45, 1955548), (60, 1466661), (63, 1396820), (70, 1257138), (84, 1047615), (90, 977774), (105, 838092), (126, 698410), (140, 628569), (180, 488887), (210, 419046), (211, 417060), (252, 349205), (315, 279364), (331, 265860), (420, 209523), (422, 208530), (630, 139682), (633, 139020), (662, 132930), (844, 104265), (993, 88620), (1055, 83412), (1260, 69841), (1266, 69510), (1324, 66465), (1477, 59580), (1655, 53172), (1899, 46340), (1986, 44310), (2110, 41706), (2317, 37980), (2532, 34755), (2954, 29790), (2979, 29540), (3165, 27804), (3310, 26586), (3798, 23170), (3972, 22155), (4220, 20853), (4431, 19860), (4634, 18990), (4965, 17724), (5908, 14895), (5958, 14770), (6330, 13902), (6620, 13293), (6951, 12660), (7385, 11916), (7596, 11585), (8862, 9930), (9268, 9495)]