461995520

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 240

約数和(自身を含む): 1343485440

約数和(自身を除く): 881489920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 127, 128, 140, 145, 160, 196, 203, 224, 232, 245, 254, 256, 280, 290, 320, 392, 406, 448, 464, 490, 508, 512, 560, 580, 635, 640, 784, 812, 889, 896, 928, 980, 1015, 1016, 1120, 1160, 1270, 1280, 1421, 1568, 1624, 1778, 1792, 1856, 1960, 2030, 2032, 2240, 2320, 2540, 2560, 2842, 3136, 3248, 3556, 3584, 3683, 3712, 3920, 4060, 4064, 4445, 4480, 4640, 5080, 5684, 6223, 6272, 6496, 7105, 7112, 7366, 7424, 7840, 8120, 8128, 8890, 8960, 9280, 10160, 11368, 12446, 12544, 12992, 14210, 14224, 14732, 14848, 15680, 16240, 16256, 17780, 17920, 18415, 18560, 20320, 22736, 24892, 25088, 25781, 25984, 28420, 28448, 29464, 31115, 31360, 32480, 32512, 35560, 36830, 37120, 40640, 45472, 49784, 51562, 51968, 56840, 56896, 58928, 62230, 62720, 64960, 65024, 71120, 73660, 74240, 81280, 90944, 99568, 103124, 103936, 113680, 113792, 117856, 124460, 125440, 128905, 129920, 142240, 147320, 162560, 180467, 181888, 199136, 206248, 227360, 227584, 235712, 248920, 257810, 259840, 284480, 294640, 325120, 360934, 363776, 398272, 412496, 454720, 455168, 471424, 497840, 515620, 519680, 568960, 589280, 721868, 727552, 796544, 824992, 902335, 909440, 942848, 995680, 1031240, 1137920, 1178560, 1443736, 1593088, 1649984, 1804670, 1818880, 1885696, 1991360, 2062480, 2275840, 2357120, 2887472, 3186176, 3299968, 3609340, 3637760, 3982720, 4124960, 4714240, 5774944, 6599936, 7218680, 7965440, 8249920, 9428480, 11549888, 13199872, 14437360, 15930880, 16499840, 23099776, 28874720, 32999680, 46199552, 57749440, 65999360, 92399104, 115498880, 230997760, 461995520]

約数ペア:

[(1, 461995520), (2, 230997760), (4, 115498880), (5, 92399104), (7, 65999360), (8, 57749440), (10, 46199552), (14, 32999680), (16, 28874720), (20, 23099776), (28, 16499840), (29, 15930880), (32, 14437360), (35, 13199872), (40, 11549888), (49, 9428480), (56, 8249920), (58, 7965440), (64, 7218680), (70, 6599936), (80, 5774944), (98, 4714240), (112, 4124960), (116, 3982720), (127, 3637760), (128, 3609340), (140, 3299968), (145, 3186176), (160, 2887472), (196, 2357120), (203, 2275840), (224, 2062480), (232, 1991360), (245, 1885696), (254, 1818880), (256, 1804670), (280, 1649984), (290, 1593088), (320, 1443736), (392, 1178560), (406, 1137920), (448, 1031240), (464, 995680), (490, 942848), (508, 909440), (512, 902335), (560, 824992), (580, 796544), (635, 727552), (640, 721868), (784, 589280), (812, 568960), (889, 519680), (896, 515620), (928, 497840), (980, 471424), (1015, 455168), (1016, 454720), (1120, 412496), (1160, 398272), (1270, 363776), (1280, 360934), (1421, 325120), (1568, 294640), (1624, 284480), (1778, 259840), (1792, 257810), (1856, 248920), (1960, 235712), (2030, 227584), (2032, 227360), (2240, 206248), (2320, 199136), (2540, 181888), (2560, 180467), (2842, 162560), (3136, 147320), (3248, 142240), (3556, 129920), (3584, 128905), (3683, 125440), (3712, 124460), (3920, 117856), (4060, 113792), (4064, 113680), (4445, 103936), (4480, 103124), (4640, 99568), (5080, 90944), (5684, 81280), (6223, 74240), (6272, 73660), (6496, 71120), (7105, 65024), (7112, 64960), (7366, 62720), (7424, 62230), (7840, 58928), (8120, 56896), (8128, 56840), (8890, 51968), (8960, 51562), (9280, 49784), (10160, 45472), (11368, 40640), (12446, 37120), (12544, 36830), (12992, 35560), (14210, 32512), (14224, 32480), (14732, 31360), (14848, 31115), (15680, 29464), (16240, 28448), (16256, 28420), (17780, 25984), (17920, 25781), (18415, 25088), (18560, 24892), (20320, 22736)]