1777804980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:918

約数の個数: 192

約数和(自身を含む): 5920266240

約数和(自身を除く): 4142461260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 227, 290, 348, 406, 420, 435, 454, 580, 609, 643, 681, 812, 870, 908, 1015, 1135, 1218, 1286, 1362, 1589, 1740, 1929, 2030, 2270, 2436, 2572, 2724, 3045, 3178, 3215, 3405, 3858, 4060, 4501, 4540, 4767, 6090, 6356, 6430, 6583, 6810, 7716, 7945, 9002, 9534, 9645, 12180, 12860, 13166, 13503, 13620, 15890, 18004, 18647, 19068, 19290, 19749, 22505, 23835, 26332, 27006, 31780, 32915, 37294, 38580, 39498, 45010, 46081, 47670, 54012, 55941, 65830, 67515, 74588, 78996, 90020, 92162, 93235, 95340, 98745, 111882, 130529, 131660, 135030, 138243, 145961, 184324, 186470, 197490, 223764, 230405, 261058, 270060, 276486, 279705, 291922, 372940, 391587, 394980, 437883, 460810, 522116, 552972, 559410, 583844, 652645, 691215, 729805, 783174, 875766, 921620, 1021727, 1118820, 1305290, 1382430, 1459610, 1566348, 1751532, 1957935, 2043454, 2189415, 2610580, 2764860, 2919220, 3065181, 3915870, 4086908, 4232869, 4378830, 5108635, 6130362, 7831740, 8465738, 8757660, 10217270, 12260724, 12698607, 15325905, 16931476, 20434540, 21164345, 25397214, 29630083, 30651810, 42328690, 50794428, 59260166, 61303620, 63493035, 84657380, 88890249, 118520332, 126986070, 148150415, 177780498, 253972140, 296300830, 355560996, 444451245, 592601660, 888902490, 1777804980]

約数ペア:

[(1, 1777804980), (2, 888902490), (3, 592601660), (4, 444451245), (5, 355560996), (6, 296300830), (7, 253972140), (10, 177780498), (12, 148150415), (14, 126986070), (15, 118520332), (20, 88890249), (21, 84657380), (28, 63493035), (29, 61303620), (30, 59260166), (35, 50794428), (42, 42328690), (58, 30651810), (60, 29630083), (70, 25397214), (84, 21164345), (87, 20434540), (105, 16931476), (116, 15325905), (140, 12698607), (145, 12260724), (174, 10217270), (203, 8757660), (210, 8465738), (227, 7831740), (290, 6130362), (348, 5108635), (406, 4378830), (420, 4232869), (435, 4086908), (454, 3915870), (580, 3065181), (609, 2919220), (643, 2764860), (681, 2610580), (812, 2189415), (870, 2043454), (908, 1957935), (1015, 1751532), (1135, 1566348), (1218, 1459610), (1286, 1382430), (1362, 1305290), (1589, 1118820), (1740, 1021727), (1929, 921620), (2030, 875766), (2270, 783174), (2436, 729805), (2572, 691215), (2724, 652645), (3045, 583844), (3178, 559410), (3215, 552972), (3405, 522116), (3858, 460810), (4060, 437883), (4501, 394980), (4540, 391587), (4767, 372940), (6090, 291922), (6356, 279705), (6430, 276486), (6583, 270060), (6810, 261058), (7716, 230405), (7945, 223764), (9002, 197490), (9534, 186470), (9645, 184324), (12180, 145961), (12860, 138243), (13166, 135030), (13503, 131660), (13620, 130529), (15890, 111882), (18004, 98745), (18647, 95340), (19068, 93235), (19290, 92162), (19749, 90020), (22505, 78996), (23835, 74588), (26332, 67515), (27006, 65830), (31780, 55941), (32915, 54012), (37294, 47670), (38580, 46081), (39498, 45010)]