2178118880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:1001

約数の個数: 192

約数和(自身を含む): 6279275520

約数和(自身を除く): 4101156640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 139, 140, 160, 170, 224, 238, 272, 278, 280, 340, 476, 544, 556, 560, 595, 680, 695, 823, 952, 973, 1112, 1120, 1190, 1360, 1390, 1646, 1904, 1946, 2224, 2363, 2380, 2720, 2780, 3292, 3808, 3892, 4115, 4448, 4726, 4760, 4865, 5560, 5761, 6584, 7784, 8230, 9452, 9520, 9730, 11120, 11522, 11815, 13168, 13991, 15568, 16460, 16541, 18904, 19040, 19460, 22240, 23044, 23630, 26336, 27982, 28805, 31136, 32920, 33082, 37808, 38920, 46088, 47260, 55964, 57610, 65840, 66164, 69955, 75616, 77840, 82705, 92176, 94520, 97937, 111928, 114397, 115220, 131680, 132328, 139910, 155680, 165410, 184352, 189040, 195874, 223856, 228794, 230440, 264656, 279820, 330820, 378080, 391748, 447712, 457588, 460880, 489685, 529312, 559640, 571985, 661640, 783496, 800779, 915176, 921760, 979370, 1119280, 1143970, 1323280, 1566992, 1601558, 1830352, 1944749, 1958740, 2238560, 2287940, 2646560, 3133984, 3203116, 3660704, 3889498, 3917480, 4003895, 4575880, 6406232, 7778996, 7834960, 8007790, 9151760, 9723745, 12812464, 13613243, 15557992, 15669920, 16015580, 18303520, 19447490, 25624928, 27226486, 31115984, 32031160, 38894980, 54452972, 62231968, 64062320, 68066215, 77789960, 108905944, 128124640, 136132430, 155579920, 217811888, 272264860, 311159840, 435623776, 544529720, 1089059440, 2178118880]

約数ペア:

[(1, 2178118880), (2, 1089059440), (4, 544529720), (5, 435623776), (7, 311159840), (8, 272264860), (10, 217811888), (14, 155579920), (16, 136132430), (17, 128124640), (20, 108905944), (28, 77789960), (32, 68066215), (34, 64062320), (35, 62231968), (40, 54452972), (56, 38894980), (68, 32031160), (70, 31115984), (80, 27226486), (85, 25624928), (112, 19447490), (119, 18303520), (136, 16015580), (139, 15669920), (140, 15557992), (160, 13613243), (170, 12812464), (224, 9723745), (238, 9151760), (272, 8007790), (278, 7834960), (280, 7778996), (340, 6406232), (476, 4575880), (544, 4003895), (556, 3917480), (560, 3889498), (595, 3660704), (680, 3203116), (695, 3133984), (823, 2646560), (952, 2287940), (973, 2238560), (1112, 1958740), (1120, 1944749), (1190, 1830352), (1360, 1601558), (1390, 1566992), (1646, 1323280), (1904, 1143970), (1946, 1119280), (2224, 979370), (2363, 921760), (2380, 915176), (2720, 800779), (2780, 783496), (3292, 661640), (3808, 571985), (3892, 559640), (4115, 529312), (4448, 489685), (4726, 460880), (4760, 457588), (4865, 447712), (5560, 391748), (5761, 378080), (6584, 330820), (7784, 279820), (8230, 264656), (9452, 230440), (9520, 228794), (9730, 223856), (11120, 195874), (11522, 189040), (11815, 184352), (13168, 165410), (13991, 155680), (15568, 139910), (16460, 132328), (16541, 131680), (18904, 115220), (19040, 114397), (19460, 111928), (22240, 97937), (23044, 94520), (23630, 92176), (26336, 82705), (27982, 77840), (28805, 75616), (31136, 69955), (32920, 66164), (33082, 65840), (37808, 57610), (38920, 55964), (46088, 47260)]