2018705940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4969}}^1$

素因数の和:5082

約数の個数: 144

約数和(自身を含む): 6393288720

約数和(自身を除く): 4374582780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 61, 74, 90, 111, 122, 148, 180, 183, 185, 222, 244, 305, 333, 366, 370, 444, 549, 555, 610, 666, 732, 740, 915, 1098, 1110, 1220, 1332, 1665, 1830, 2196, 2220, 2257, 2745, 3330, 3660, 4514, 4969, 5490, 6660, 6771, 9028, 9938, 10980, 11285, 13542, 14907, 19876, 20313, 22570, 24845, 27084, 29814, 33855, 40626, 44721, 45140, 49690, 59628, 67710, 74535, 81252, 89442, 99380, 101565, 135420, 149070, 178884, 183853, 203130, 223605, 298140, 303109, 367706, 406260, 447210, 551559, 606218, 735412, 894420, 909327, 919265, 1103118, 1212436, 1515545, 1654677, 1818654, 1838530, 2206236, 2727981, 2757795, 3031090, 3309354, 3637308, 3677060, 4546635, 5455962, 5515590, 6062180, 6618708, 8273385, 9093270, 10911924, 11031180, 11215033, 13639905, 16546770, 18186540, 22430066, 27279810, 33093540, 33645099, 44860132, 54559620, 56075165, 67290198, 100935297, 112150330, 134580396, 168225495, 201870594, 224300660, 336450990, 403741188, 504676485, 672901980, 1009352970, 2018705940]

約数ペア:

[(1, 2018705940), (2, 1009352970), (3, 672901980), (4, 504676485), (5, 403741188), (6, 336450990), (9, 224300660), (10, 201870594), (12, 168225495), (15, 134580396), (18, 112150330), (20, 100935297), (30, 67290198), (36, 56075165), (37, 54559620), (45, 44860132), (60, 33645099), (61, 33093540), (74, 27279810), (90, 22430066), (111, 18186540), (122, 16546770), (148, 13639905), (180, 11215033), (183, 11031180), (185, 10911924), (222, 9093270), (244, 8273385), (305, 6618708), (333, 6062180), (366, 5515590), (370, 5455962), (444, 4546635), (549, 3677060), (555, 3637308), (610, 3309354), (666, 3031090), (732, 2757795), (740, 2727981), (915, 2206236), (1098, 1838530), (1110, 1818654), (1220, 1654677), (1332, 1515545), (1665, 1212436), (1830, 1103118), (2196, 919265), (2220, 909327), (2257, 894420), (2745, 735412), (3330, 606218), (3660, 551559), (4514, 447210), (4969, 406260), (5490, 367706), (6660, 303109), (6771, 298140), (9028, 223605), (9938, 203130), (10980, 183853), (11285, 178884), (13542, 149070), (14907, 135420), (19876, 101565), (20313, 99380), (22570, 89442), (24845, 81252), (27084, 74535), (29814, 67710), (33855, 59628), (40626, 49690), (44721, 45140)]