87422720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 144

約数和(自身を含む): 261370368

約数和(自身を除く): 173947648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 887, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1774, 1792, 2240, 2464, 2816, 3080, 3520, 3548, 4435, 4480, 4928, 6160, 6209, 7040, 7096, 8870, 8960, 9757, 9856, 12320, 12418, 14080, 14192, 17740, 19514, 19712, 24640, 24836, 28384, 31045, 35480, 39028, 48785, 49280, 49672, 56768, 62090, 68299, 70960, 78056, 97570, 98560, 99344, 113536, 124180, 136598, 141920, 156112, 195140, 198688, 227072, 248360, 273196, 283840, 312224, 341495, 390280, 397376, 496720, 546392, 567680, 624448, 682990, 780560, 794752, 993440, 1092784, 1135360, 1248896, 1365980, 1561120, 1589504, 1986880, 2185568, 2497792, 2731960, 3122240, 3973760, 4371136, 5463920, 6244480, 7947520, 8742272, 10927840, 12488960, 17484544, 21855680, 43711360, 87422720]

約数ペア:

[(1, 87422720), (2, 43711360), (4, 21855680), (5, 17484544), (7, 12488960), (8, 10927840), (10, 8742272), (11, 7947520), (14, 6244480), (16, 5463920), (20, 4371136), (22, 3973760), (28, 3122240), (32, 2731960), (35, 2497792), (40, 2185568), (44, 1986880), (55, 1589504), (56, 1561120), (64, 1365980), (70, 1248896), (77, 1135360), (80, 1092784), (88, 993440), (110, 794752), (112, 780560), (128, 682990), (140, 624448), (154, 567680), (160, 546392), (176, 496720), (220, 397376), (224, 390280), (256, 341495), (280, 312224), (308, 283840), (320, 273196), (352, 248360), (385, 227072), (440, 198688), (448, 195140), (560, 156112), (616, 141920), (640, 136598), (704, 124180), (770, 113536), (880, 99344), (887, 98560), (896, 97570), (1120, 78056), (1232, 70960), (1280, 68299), (1408, 62090), (1540, 56768), (1760, 49672), (1774, 49280), (1792, 48785), (2240, 39028), (2464, 35480), (2816, 31045), (3080, 28384), (3520, 24836), (3548, 24640), (4435, 19712), (4480, 19514), (4928, 17740), (6160, 14192), (6209, 14080), (7040, 12418), (7096, 12320), (8870, 9856), (8960, 9757)]