2145724980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:870

約数の個数: 192

約数和(自身を含む): 7046645760

約数和(自身を除く): 4900920780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 131, 140, 177, 210, 236, 262, 295, 354, 393, 413, 420, 524, 590, 655, 661, 708, 786, 826, 885, 917, 1180, 1239, 1310, 1322, 1572, 1652, 1770, 1834, 1965, 1983, 2065, 2478, 2620, 2644, 2751, 3305, 3540, 3668, 3930, 3966, 4130, 4585, 4627, 4956, 5502, 6195, 6610, 7729, 7860, 7932, 8260, 9170, 9254, 9915, 11004, 12390, 13220, 13755, 13881, 15458, 18340, 18508, 19830, 23135, 23187, 24780, 27510, 27762, 30916, 38645, 38999, 39660, 46270, 46374, 54103, 55020, 55524, 69405, 77290, 77998, 86591, 92540, 92748, 108206, 115935, 116997, 138810, 154580, 155996, 162309, 173182, 194995, 216412, 231870, 233994, 259773, 270515, 272993, 277620, 324618, 346364, 389990, 432955, 463740, 467988, 519546, 541030, 545986, 584985, 606137, 649236, 779980, 811545, 818979, 865910, 1039092, 1082060, 1091972, 1169970, 1212274, 1298865, 1364965, 1623090, 1637958, 1731820, 1818411, 2339940, 2424548, 2597730, 2729930, 3030685, 3246180, 3275916, 3636822, 4094895, 5108869, 5195460, 5459860, 6061370, 7273644, 8189790, 9092055, 10217738, 12122740, 15326607, 16379580, 18184110, 20435476, 25544345, 30653214, 35762083, 36368220, 51088690, 61306428, 71524166, 76633035, 102177380, 107286249, 143048332, 153266070, 178810415, 214572498, 306532140, 357620830, 429144996, 536431245, 715241660, 1072862490, 2145724980]

約数ペア:

[(1, 2145724980), (2, 1072862490), (3, 715241660), (4, 536431245), (5, 429144996), (6, 357620830), (7, 306532140), (10, 214572498), (12, 178810415), (14, 153266070), (15, 143048332), (20, 107286249), (21, 102177380), (28, 76633035), (30, 71524166), (35, 61306428), (42, 51088690), (59, 36368220), (60, 35762083), (70, 30653214), (84, 25544345), (105, 20435476), (118, 18184110), (131, 16379580), (140, 15326607), (177, 12122740), (210, 10217738), (236, 9092055), (262, 8189790), (295, 7273644), (354, 6061370), (393, 5459860), (413, 5195460), (420, 5108869), (524, 4094895), (590, 3636822), (655, 3275916), (661, 3246180), (708, 3030685), (786, 2729930), (826, 2597730), (885, 2424548), (917, 2339940), (1180, 1818411), (1239, 1731820), (1310, 1637958), (1322, 1623090), (1572, 1364965), (1652, 1298865), (1770, 1212274), (1834, 1169970), (1965, 1091972), (1983, 1082060), (2065, 1039092), (2478, 865910), (2620, 818979), (2644, 811545), (2751, 779980), (3305, 649236), (3540, 606137), (3668, 584985), (3930, 545986), (3966, 541030), (4130, 519546), (4585, 467988), (4627, 463740), (4956, 432955), (5502, 389990), (6195, 346364), (6610, 324618), (7729, 277620), (7860, 272993), (7932, 270515), (8260, 259773), (9170, 233994), (9254, 231870), (9915, 216412), (11004, 194995), (12390, 173182), (13220, 162309), (13755, 155996), (13881, 154580), (15458, 138810), (18340, 116997), (18508, 115935), (19830, 108206), (23135, 92748), (23187, 92540), (24780, 86591), (27510, 77998), (27762, 77290), (30916, 69405), (38645, 55524), (38999, 55020), (39660, 54103), (46270, 46374)]