87950720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 255240720

約数和(自身を除く): 167290000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 124, 128, 130, 143, 155, 160, 176, 208, 220, 248, 260, 286, 310, 320, 341, 352, 403, 416, 440, 496, 520, 572, 620, 640, 682, 704, 715, 806, 832, 880, 961, 992, 1040, 1144, 1240, 1364, 1408, 1430, 1612, 1664, 1705, 1760, 1922, 1984, 2015, 2080, 2288, 2480, 2728, 2860, 3224, 3410, 3520, 3844, 3968, 4030, 4160, 4433, 4576, 4805, 4960, 5456, 5720, 6448, 6820, 7040, 7688, 8060, 8320, 8866, 9152, 9610, 9920, 10571, 10912, 11440, 12493, 12896, 13640, 15376, 16120, 17732, 18304, 19220, 19840, 21142, 21824, 22165, 22880, 24986, 25792, 27280, 30752, 32240, 35464, 38440, 42284, 43648, 44330, 45760, 49972, 51584, 52855, 54560, 61504, 62465, 64480, 70928, 76880, 84568, 88660, 91520, 99944, 105710, 109120, 123008, 124930, 128960, 137423, 141856, 153760, 169136, 177320, 199888, 211420, 218240, 249860, 257920, 274846, 283712, 307520, 338272, 354640, 399776, 422840, 499720, 549692, 567424, 615040, 676544, 687115, 709280, 799552, 845680, 999440, 1099384, 1353088, 1374230, 1418560, 1599104, 1691360, 1998880, 2198768, 2748460, 2837120, 3382720, 3997760, 4397536, 5496920, 6765440, 7995520, 8795072, 10993840, 17590144, 21987680, 43975360, 87950720]

約数ペア:

[(1, 87950720), (2, 43975360), (4, 21987680), (5, 17590144), (8, 10993840), (10, 8795072), (11, 7995520), (13, 6765440), (16, 5496920), (20, 4397536), (22, 3997760), (26, 3382720), (31, 2837120), (32, 2748460), (40, 2198768), (44, 1998880), (52, 1691360), (55, 1599104), (62, 1418560), (64, 1374230), (65, 1353088), (80, 1099384), (88, 999440), (104, 845680), (110, 799552), (124, 709280), (128, 687115), (130, 676544), (143, 615040), (155, 567424), (160, 549692), (176, 499720), (208, 422840), (220, 399776), (248, 354640), (260, 338272), (286, 307520), (310, 283712), (320, 274846), (341, 257920), (352, 249860), (403, 218240), (416, 211420), (440, 199888), (496, 177320), (520, 169136), (572, 153760), (620, 141856), (640, 137423), (682, 128960), (704, 124930), (715, 123008), (806, 109120), (832, 105710), (880, 99944), (961, 91520), (992, 88660), (1040, 84568), (1144, 76880), (1240, 70928), (1364, 64480), (1408, 62465), (1430, 61504), (1612, 54560), (1664, 52855), (1705, 51584), (1760, 49972), (1922, 45760), (1984, 44330), (2015, 43648), (2080, 42284), (2288, 38440), (2480, 35464), (2728, 32240), (2860, 30752), (3224, 27280), (3410, 25792), (3520, 24986), (3844, 22880), (3968, 22165), (4030, 21824), (4160, 21142), (4433, 19840), (4576, 19220), (4805, 18304), (4960, 17732), (5456, 16120), (5720, 15376), (6448, 13640), (6820, 12896), (7040, 12493), (7688, 11440), (8060, 10912), (8320, 10571), (8866, 9920), (9152, 9610)]