720687520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:423

約数の個数: 192

約数和(自身を含む): 2057965056

約数和(自身を除く): 1337277536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 101, 112, 115, 140, 160, 161, 184, 202, 224, 230, 277, 280, 322, 368, 404, 460, 505, 554, 560, 644, 707, 736, 805, 808, 920, 1010, 1108, 1120, 1288, 1385, 1414, 1610, 1616, 1840, 1939, 2020, 2216, 2323, 2576, 2770, 2828, 3220, 3232, 3535, 3680, 3878, 4040, 4432, 4646, 5152, 5540, 5656, 6371, 6440, 7070, 7756, 8080, 8864, 9292, 9695, 11080, 11312, 11615, 12742, 12880, 14140, 15512, 16160, 16261, 18584, 19390, 22160, 22624, 23230, 25484, 25760, 27977, 28280, 31024, 31855, 32522, 37168, 38780, 44320, 44597, 46460, 50968, 55954, 56560, 62048, 63710, 65044, 74336, 77560, 81305, 89194, 92920, 101936, 111908, 113120, 127420, 130088, 139885, 155120, 162610, 178388, 185840, 195839, 203872, 222985, 223816, 254840, 260176, 279770, 310240, 325220, 356776, 371680, 391678, 445970, 447632, 509680, 520352, 559540, 643471, 650440, 713552, 783356, 891940, 895264, 979195, 1019360, 1119080, 1286942, 1300880, 1427104, 1566712, 1783880, 1958390, 2238160, 2573884, 2601760, 3133424, 3217355, 3567760, 3916780, 4476320, 4504297, 5147768, 6266848, 6434710, 7135520, 7833560, 9008594, 10295536, 12869420, 15667120, 18017188, 20591072, 22521485, 25738840, 31334240, 36034376, 45042970, 51477680, 72068752, 90085940, 102955360, 144137504, 180171880, 360343760, 720687520]

約数ペア:

[(1, 720687520), (2, 360343760), (4, 180171880), (5, 144137504), (7, 102955360), (8, 90085940), (10, 72068752), (14, 51477680), (16, 45042970), (20, 36034376), (23, 31334240), (28, 25738840), (32, 22521485), (35, 20591072), (40, 18017188), (46, 15667120), (56, 12869420), (70, 10295536), (80, 9008594), (92, 7833560), (101, 7135520), (112, 6434710), (115, 6266848), (140, 5147768), (160, 4504297), (161, 4476320), (184, 3916780), (202, 3567760), (224, 3217355), (230, 3133424), (277, 2601760), (280, 2573884), (322, 2238160), (368, 1958390), (404, 1783880), (460, 1566712), (505, 1427104), (554, 1300880), (560, 1286942), (644, 1119080), (707, 1019360), (736, 979195), (805, 895264), (808, 891940), (920, 783356), (1010, 713552), (1108, 650440), (1120, 643471), (1288, 559540), (1385, 520352), (1414, 509680), (1610, 447632), (1616, 445970), (1840, 391678), (1939, 371680), (2020, 356776), (2216, 325220), (2323, 310240), (2576, 279770), (2770, 260176), (2828, 254840), (3220, 223816), (3232, 222985), (3535, 203872), (3680, 195839), (3878, 185840), (4040, 178388), (4432, 162610), (4646, 155120), (5152, 139885), (5540, 130088), (5656, 127420), (6371, 113120), (6440, 111908), (7070, 101936), (7756, 92920), (8080, 89194), (8864, 81305), (9292, 77560), (9695, 74336), (11080, 65044), (11312, 63710), (11615, 62048), (12742, 56560), (12880, 55954), (14140, 50968), (15512, 46460), (16160, 44597), (16261, 44320), (18584, 38780), (19390, 37168), (22160, 32522), (22624, 31855), (23230, 31024), (25484, 28280), (25760, 27977)]