221851440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:672

約数の個数: 160

約数和(自身を含む): 768998400

約数和(自身を除く): 547146960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 271, 360, 379, 432, 540, 542, 720, 758, 813, 1080, 1084, 1137, 1355, 1516, 1626, 1895, 2160, 2168, 2274, 2439, 2710, 3032, 3252, 3411, 3790, 4065, 4336, 4548, 4878, 5420, 5685, 6064, 6504, 6822, 7317, 7580, 8130, 9096, 9756, 10233, 10840, 11370, 12195, 13008, 13644, 14634, 15160, 16260, 17055, 18192, 19512, 20466, 21680, 22740, 24390, 27288, 29268, 30320, 32520, 34110, 36585, 39024, 40932, 45480, 48780, 51165, 54576, 58536, 65040, 68220, 73170, 81864, 90960, 97560, 102330, 102709, 117072, 136440, 146340, 163728, 195120, 204660, 205418, 272880, 292680, 308127, 409320, 410836, 513545, 585360, 616254, 818640, 821672, 924381, 1027090, 1232508, 1540635, 1643344, 1848762, 2054180, 2465016, 2773143, 3081270, 3697524, 4108360, 4621905, 4930032, 5546286, 6162540, 7395048, 8216720, 9243810, 11092572, 12325080, 13865715, 14790096, 18487620, 22185144, 24650160, 27731430, 36975240, 44370288, 55462860, 73950480, 110925720, 221851440]

約数ペア:

[(1, 221851440), (2, 110925720), (3, 73950480), (4, 55462860), (5, 44370288), (6, 36975240), (8, 27731430), (9, 24650160), (10, 22185144), (12, 18487620), (15, 14790096), (16, 13865715), (18, 12325080), (20, 11092572), (24, 9243810), (27, 8216720), (30, 7395048), (36, 6162540), (40, 5546286), (45, 4930032), (48, 4621905), (54, 4108360), (60, 3697524), (72, 3081270), (80, 2773143), (90, 2465016), (108, 2054180), (120, 1848762), (135, 1643344), (144, 1540635), (180, 1232508), (216, 1027090), (240, 924381), (270, 821672), (271, 818640), (360, 616254), (379, 585360), (432, 513545), (540, 410836), (542, 409320), (720, 308127), (758, 292680), (813, 272880), (1080, 205418), (1084, 204660), (1137, 195120), (1355, 163728), (1516, 146340), (1626, 136440), (1895, 117072), (2160, 102709), (2168, 102330), (2274, 97560), (2439, 90960), (2710, 81864), (3032, 73170), (3252, 68220), (3411, 65040), (3790, 58536), (4065, 54576), (4336, 51165), (4548, 48780), (4878, 45480), (5420, 40932), (5685, 39024), (6064, 36585), (6504, 34110), (6822, 32520), (7317, 30320), (7580, 29268), (8130, 27288), (9096, 24390), (9756, 22740), (10233, 21680), (10840, 20466), (11370, 19512), (12195, 18192), (13008, 17055), (13644, 16260), (14634, 15160)]