2780585920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1819

約数の個数: 224

約数和(自身を含む): 8155570176

約数和(自身を除く): 5374984256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 115, 124, 140, 155, 160, 161, 184, 217, 224, 230, 248, 280, 310, 320, 322, 368, 434, 448, 460, 496, 560, 620, 644, 713, 736, 805, 868, 920, 992, 1085, 1120, 1240, 1288, 1426, 1472, 1610, 1736, 1741, 1840, 1984, 2170, 2240, 2480, 2576, 2852, 3220, 3472, 3482, 3565, 3680, 4340, 4960, 4991, 5152, 5704, 6440, 6944, 6964, 7130, 7360, 8680, 8705, 9920, 9982, 10304, 11408, 12187, 12880, 13888, 13928, 14260, 17360, 17410, 19964, 22816, 24374, 24955, 25760, 27856, 28520, 34720, 34820, 39928, 40043, 45632, 48748, 49910, 51520, 53971, 55712, 57040, 60935, 69440, 69640, 79856, 80086, 97496, 99820, 107942, 111424, 114080, 121870, 139280, 159712, 160172, 194992, 199640, 200215, 215884, 228160, 243740, 269855, 278560, 280301, 319424, 320344, 377797, 389984, 399280, 400430, 431768, 487480, 539710, 557120, 560602, 640688, 755594, 779968, 798560, 800860, 863536, 974960, 1079420, 1121204, 1241333, 1281376, 1401505, 1511188, 1597120, 1601720, 1727072, 1888985, 1949920, 2158840, 2242408, 2482666, 2562752, 2803010, 3022376, 3203440, 3454144, 3777970, 3899840, 4317680, 4484816, 4965332, 5606020, 6044752, 6206665, 6406880, 7555940, 8635360, 8689331, 8969632, 9930664, 11212040, 12089504, 12413330, 12813760, 15111880, 17270720, 17378662, 17939264, 19861328, 22424080, 24179008, 24826660, 30223760, 34757324, 39722656, 43446655, 44848160, 49653320, 60447520, 69514648, 79445312, 86893310, 89696320, 99306640, 120895040, 139029296, 173786620, 198613280, 278058592, 347573240, 397226560, 556117184, 695146480, 1390292960, 2780585920]

約数ペア:

[(1, 2780585920), (2, 1390292960), (4, 695146480), (5, 556117184), (7, 397226560), (8, 347573240), (10, 278058592), (14, 198613280), (16, 173786620), (20, 139029296), (23, 120895040), (28, 99306640), (31, 89696320), (32, 86893310), (35, 79445312), (40, 69514648), (46, 60447520), (56, 49653320), (62, 44848160), (64, 43446655), (70, 39722656), (80, 34757324), (92, 30223760), (112, 24826660), (115, 24179008), (124, 22424080), (140, 19861328), (155, 17939264), (160, 17378662), (161, 17270720), (184, 15111880), (217, 12813760), (224, 12413330), (230, 12089504), (248, 11212040), (280, 9930664), (310, 8969632), (320, 8689331), (322, 8635360), (368, 7555940), (434, 6406880), (448, 6206665), (460, 6044752), (496, 5606020), (560, 4965332), (620, 4484816), (644, 4317680), (713, 3899840), (736, 3777970), (805, 3454144), (868, 3203440), (920, 3022376), (992, 2803010), (1085, 2562752), (1120, 2482666), (1240, 2242408), (1288, 2158840), (1426, 1949920), (1472, 1888985), (1610, 1727072), (1736, 1601720), (1741, 1597120), (1840, 1511188), (1984, 1401505), (2170, 1281376), (2240, 1241333), (2480, 1121204), (2576, 1079420), (2852, 974960), (3220, 863536), (3472, 800860), (3482, 798560), (3565, 779968), (3680, 755594), (4340, 640688), (4960, 560602), (4991, 557120), (5152, 539710), (5704, 487480), (6440, 431768), (6944, 400430), (6964, 399280), (7130, 389984), (7360, 377797), (8680, 320344), (8705, 319424), (9920, 280301), (9982, 278560), (10304, 269855), (11408, 243740), (12187, 228160), (12880, 215884), (13888, 200215), (13928, 199640), (14260, 194992), (17360, 160172), (17410, 159712), (19964, 139280), (22816, 121870), (24374, 114080), (24955, 111424), (25760, 107942), (27856, 99820), (28520, 97496), (34720, 80086), (34820, 79856), (39928, 69640), (40043, 69440), (45632, 60935), (48748, 57040), (49910, 55712), (51520, 53971)]