2018520720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5381}}^1$

素因数の和:5921

約数の個数: 120

約数和(自身を含む): 6793138872

約数和(自身を除く): 4774618152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 521, 720, 1042, 1563, 2084, 2605, 3126, 4168, 4689, 5210, 5381, 6252, 7815, 8336, 9378, 10420, 10762, 12504, 15630, 16143, 18756, 20840, 21524, 23445, 25008, 26905, 31260, 32286, 37512, 41680, 43048, 46890, 48429, 53810, 62520, 64572, 75024, 80715, 86096, 93780, 96858, 107620, 125040, 129144, 161430, 187560, 193716, 215240, 242145, 258288, 322860, 375120, 387432, 430480, 484290, 645720, 774864, 968580, 1291440, 1937160, 2803501, 3874320, 5607002, 8410503, 11214004, 14017505, 16821006, 22428008, 25231509, 28035010, 33642012, 42052515, 44856016, 50463018, 56070020, 67284024, 84105030, 100926036, 112140040, 126157545, 134568048, 168210060, 201852072, 224280080, 252315090, 336420120, 403704144, 504630180, 672840240, 1009260360, 2018520720]

約数ペア:

[(1, 2018520720), (2, 1009260360), (3, 672840240), (4, 504630180), (5, 403704144), (6, 336420120), (8, 252315090), (9, 224280080), (10, 201852072), (12, 168210060), (15, 134568048), (16, 126157545), (18, 112140040), (20, 100926036), (24, 84105030), (30, 67284024), (36, 56070020), (40, 50463018), (45, 44856016), (48, 42052515), (60, 33642012), (72, 28035010), (80, 25231509), (90, 22428008), (120, 16821006), (144, 14017505), (180, 11214004), (240, 8410503), (360, 5607002), (521, 3874320), (720, 2803501), (1042, 1937160), (1563, 1291440), (2084, 968580), (2605, 774864), (3126, 645720), (4168, 484290), (4689, 430480), (5210, 387432), (5381, 375120), (6252, 322860), (7815, 258288), (8336, 242145), (9378, 215240), (10420, 193716), (10762, 187560), (12504, 161430), (15630, 129144), (16143, 125040), (18756, 107620), (20840, 96858), (21524, 93780), (23445, 86096), (25008, 80715), (26905, 75024), (31260, 64572), (32286, 62520), (37512, 53810), (41680, 48429), (43048, 46890)]