220987620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1381}}^1$

素因数の和:1530

約数の個数: 144

約数和(自身を含む): 772681728

約数和(自身を除く): 551694108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1381, 1524, 1778, 1905, 2286, 2540, 2667, 2762, 3556, 3810, 4143, 4445, 4572, 5334, 5524, 5715, 6905, 7620, 8001, 8286, 8890, 9667, 10668, 11430, 12429, 13335, 13810, 16002, 16572, 17780, 19334, 20715, 22860, 24858, 26670, 27620, 29001, 32004, 38668, 40005, 41430, 48335, 49716, 53340, 58002, 62145, 80010, 82860, 87003, 96670, 116004, 124290, 145005, 160020, 174006, 175387, 193340, 248580, 290010, 348012, 350774, 435015, 526161, 580020, 701548, 870030, 876935, 1052322, 1227709, 1578483, 1740060, 1753870, 2104644, 2455418, 2630805, 3156966, 3507740, 3683127, 4910836, 5261610, 6138545, 6313932, 7366254, 7892415, 10523220, 11049381, 12277090, 14732508, 15784830, 18415635, 22098762, 24554180, 31569660, 36831270, 44197524, 55246905, 73662540, 110493810, 220987620]

約数ペア:

[(1, 220987620), (2, 110493810), (3, 73662540), (4, 55246905), (5, 44197524), (6, 36831270), (7, 31569660), (9, 24554180), (10, 22098762), (12, 18415635), (14, 15784830), (15, 14732508), (18, 12277090), (20, 11049381), (21, 10523220), (28, 7892415), (30, 7366254), (35, 6313932), (36, 6138545), (42, 5261610), (45, 4910836), (60, 3683127), (63, 3507740), (70, 3156966), (84, 2630805), (90, 2455418), (105, 2104644), (126, 1753870), (127, 1740060), (140, 1578483), (180, 1227709), (210, 1052322), (252, 876935), (254, 870030), (315, 701548), (381, 580020), (420, 526161), (508, 435015), (630, 350774), (635, 348012), (762, 290010), (889, 248580), (1143, 193340), (1260, 175387), (1270, 174006), (1381, 160020), (1524, 145005), (1778, 124290), (1905, 116004), (2286, 96670), (2540, 87003), (2667, 82860), (2762, 80010), (3556, 62145), (3810, 58002), (4143, 53340), (4445, 49716), (4572, 48335), (5334, 41430), (5524, 40005), (5715, 38668), (6905, 32004), (7620, 29001), (8001, 27620), (8286, 26670), (8890, 24858), (9667, 22860), (10668, 20715), (11430, 19334), (12429, 17780), (13335, 16572), (13810, 16002)]