217706720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 192

約数和(自身を含む): 658409472

約数和(自身を除く): 440702752

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 41, 44, 55, 56, 70, 77, 80, 82, 88, 110, 112, 140, 154, 160, 164, 176, 205, 220, 224, 280, 287, 308, 328, 352, 385, 410, 431, 440, 451, 560, 574, 616, 656, 770, 820, 862, 880, 902, 1120, 1148, 1232, 1312, 1435, 1540, 1640, 1724, 1760, 1804, 2155, 2255, 2296, 2464, 2870, 3017, 3080, 3157, 3280, 3448, 3608, 4310, 4510, 4592, 4741, 5740, 6034, 6160, 6314, 6560, 6896, 7216, 8620, 9020, 9184, 9482, 11480, 12068, 12320, 12628, 13792, 14432, 15085, 15785, 17240, 17671, 18040, 18964, 22960, 23705, 24136, 25256, 30170, 31570, 33187, 34480, 35342, 36080, 37928, 45920, 47410, 48272, 50512, 60340, 63140, 66374, 68960, 70684, 72160, 75856, 88355, 94820, 96544, 101024, 120680, 123697, 126280, 132748, 141368, 151712, 165935, 176710, 189640, 194381, 241360, 247394, 252560, 265496, 282736, 331870, 353420, 379280, 388762, 482720, 494788, 505120, 530992, 565472, 618485, 663740, 706840, 758560, 777524, 971905, 989576, 1061984, 1236970, 1327480, 1360667, 1413680, 1555048, 1943810, 1979152, 2473940, 2654960, 2721334, 2827360, 3110096, 3887620, 3958304, 4947880, 5309920, 5442668, 6220192, 6803335, 7775240, 9895760, 10885336, 13606670, 15550480, 19791520, 21770672, 27213340, 31100960, 43541344, 54426680, 108853360, 217706720]

約数ペア:

[(1, 217706720), (2, 108853360), (4, 54426680), (5, 43541344), (7, 31100960), (8, 27213340), (10, 21770672), (11, 19791520), (14, 15550480), (16, 13606670), (20, 10885336), (22, 9895760), (28, 7775240), (32, 6803335), (35, 6220192), (40, 5442668), (41, 5309920), (44, 4947880), (55, 3958304), (56, 3887620), (70, 3110096), (77, 2827360), (80, 2721334), (82, 2654960), (88, 2473940), (110, 1979152), (112, 1943810), (140, 1555048), (154, 1413680), (160, 1360667), (164, 1327480), (176, 1236970), (205, 1061984), (220, 989576), (224, 971905), (280, 777524), (287, 758560), (308, 706840), (328, 663740), (352, 618485), (385, 565472), (410, 530992), (431, 505120), (440, 494788), (451, 482720), (560, 388762), (574, 379280), (616, 353420), (656, 331870), (770, 282736), (820, 265496), (862, 252560), (880, 247394), (902, 241360), (1120, 194381), (1148, 189640), (1232, 176710), (1312, 165935), (1435, 151712), (1540, 141368), (1640, 132748), (1724, 126280), (1760, 123697), (1804, 120680), (2155, 101024), (2255, 96544), (2296, 94820), (2464, 88355), (2870, 75856), (3017, 72160), (3080, 70684), (3157, 68960), (3280, 66374), (3448, 63140), (3608, 60340), (4310, 50512), (4510, 48272), (4592, 47410), (4741, 45920), (5740, 37928), (6034, 36080), (6160, 35342), (6314, 34480), (6560, 33187), (6896, 31570), (7216, 30170), (8620, 25256), (9020, 24136), (9184, 23705), (9482, 22960), (11480, 18964), (12068, 18040), (12320, 17671), (12628, 17240), (13792, 15785), (14432, 15085)]