18168378840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{20743}}^1$

素因数の和:21574

約数の個数: 128

約数和(自身を含む): 60638860800

約数和(自身を除く): 42470481960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 811, 1080, 1622, 2433, 3244, 4055, 4866, 6488, 7299, 8110, 9732, 12165, 14598, 16220, 19464, 20743, 21897, 24330, 29196, 32440, 36495, 41486, 43794, 48660, 58392, 62229, 72990, 82972, 87588, 97320, 103715, 109485, 124458, 145980, 165944, 175176, 186687, 207430, 218970, 248916, 291960, 311145, 373374, 414860, 437940, 497832, 560061, 622290, 746748, 829720, 875880, 933435, 1120122, 1244580, 1493496, 1866870, 2240244, 2489160, 2800305, 3733740, 4480488, 5600610, 7467480, 11201220, 16822573, 22402440, 33645146, 50467719, 67290292, 84112865, 100935438, 134580584, 151403157, 168225730, 201870876, 252338595, 302806314, 336451460, 403741752, 454209471, 504677190, 605612628, 672902920, 757015785, 908418942, 1009354380, 1211225256, 1514031570, 1816837884, 2018708760, 2271047355, 3028063140, 3633675768, 4542094710, 6056126280, 9084189420, 18168378840]

約数ペア:

[(1, 18168378840), (2, 9084189420), (3, 6056126280), (4, 4542094710), (5, 3633675768), (6, 3028063140), (8, 2271047355), (9, 2018708760), (10, 1816837884), (12, 1514031570), (15, 1211225256), (18, 1009354380), (20, 908418942), (24, 757015785), (27, 672902920), (30, 605612628), (36, 504677190), (40, 454209471), (45, 403741752), (54, 336451460), (60, 302806314), (72, 252338595), (90, 201870876), (108, 168225730), (120, 151403157), (135, 134580584), (180, 100935438), (216, 84112865), (270, 67290292), (360, 50467719), (540, 33645146), (811, 22402440), (1080, 16822573), (1622, 11201220), (2433, 7467480), (3244, 5600610), (4055, 4480488), (4866, 3733740), (6488, 2800305), (7299, 2489160), (8110, 2240244), (9732, 1866870), (12165, 1493496), (14598, 1244580), (16220, 1120122), (19464, 933435), (20743, 875880), (21897, 829720), (24330, 746748), (29196, 622290), (32440, 560061), (36495, 497832), (41486, 437940), (43794, 414860), (48660, 373374), (58392, 311145), (62229, 291960), (72990, 248916), (82972, 218970), (87588, 207430), (97320, 186687), (103715, 175176), (109485, 165944), (124458, 145980)]