661609728

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 288

約数和(自身を含む): 2174816000

約数和(自身を除く): 1513206272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 37, 39, 48, 52, 54, 64, 72, 74, 78, 96, 104, 108, 111, 117, 128, 144, 148, 156, 192, 199, 208, 216, 222, 234, 256, 288, 296, 312, 333, 351, 384, 398, 416, 432, 444, 468, 481, 576, 592, 597, 624, 666, 702, 768, 796, 832, 864, 888, 936, 962, 999, 1152, 1184, 1194, 1248, 1332, 1404, 1443, 1592, 1664, 1728, 1776, 1791, 1872, 1924, 1998, 2304, 2368, 2388, 2496, 2587, 2664, 2808, 2886, 3184, 3328, 3456, 3552, 3582, 3744, 3848, 3996, 4329, 4736, 4776, 4992, 5174, 5328, 5373, 5616, 5772, 6368, 6912, 7104, 7164, 7363, 7488, 7696, 7761, 7992, 8658, 9472, 9552, 9984, 10348, 10656, 10746, 11232, 11544, 12736, 12987, 14208, 14328, 14726, 14976, 15392, 15522, 15984, 17316, 19104, 20696, 21312, 21492, 22089, 22464, 23088, 23283, 25472, 25974, 28416, 28656, 29452, 29952, 30784, 31044, 31968, 34632, 38208, 41392, 42624, 42984, 44178, 44928, 46176, 46566, 50944, 51948, 57312, 58904, 61568, 62088, 63936, 66267, 69264, 69849, 76416, 82784, 85248, 85968, 88356, 89856, 92352, 93132, 95719, 103896, 114624, 117808, 123136, 124176, 127872, 132534, 138528, 139698, 152832, 165568, 171936, 176712, 184704, 186264, 191438, 198801, 207792, 229248, 235616, 248352, 255744, 265068, 277056, 279396, 287157, 331136, 343872, 353424, 369408, 372528, 382876, 397602, 415584, 458496, 471232, 496704, 530136, 554112, 558792, 574314, 662272, 687744, 706848, 745056, 765752, 795204, 831168, 861471, 942464, 993408, 1060272, 1108224, 1117584, 1148628, 1375488, 1413696, 1490112, 1531504, 1590408, 1662336, 1722942, 1884928, 1986816, 2120544, 2235168, 2297256, 2584413, 2827392, 2980224, 3063008, 3180816, 3324672, 3445884, 4241088, 4470336, 4594512, 5168826, 5654784, 5960448, 6126016, 6361632, 6891768, 8482176, 8940672, 9189024, 10337652, 12252032, 12723264, 13783536, 16964352, 17881344, 18378048, 20675304, 24504064, 25446528, 27567072, 36756096, 41350608, 50893056, 55134144, 73512192, 82701216, 110268288, 165402432, 220536576, 330804864, 661609728]

約数ペア:

[(1, 661609728), (2, 330804864), (3, 220536576), (4, 165402432), (6, 110268288), (8, 82701216), (9, 73512192), (12, 55134144), (13, 50893056), (16, 41350608), (18, 36756096), (24, 27567072), (26, 25446528), (27, 24504064), (32, 20675304), (36, 18378048), (37, 17881344), (39, 16964352), (48, 13783536), (52, 12723264), (54, 12252032), (64, 10337652), (72, 9189024), (74, 8940672), (78, 8482176), (96, 6891768), (104, 6361632), (108, 6126016), (111, 5960448), (117, 5654784), (128, 5168826), (144, 4594512), (148, 4470336), (156, 4241088), (192, 3445884), (199, 3324672), (208, 3180816), (216, 3063008), (222, 2980224), (234, 2827392), (256, 2584413), (288, 2297256), (296, 2235168), (312, 2120544), (333, 1986816), (351, 1884928), (384, 1722942), (398, 1662336), (416, 1590408), (432, 1531504), (444, 1490112), (468, 1413696), (481, 1375488), (576, 1148628), (592, 1117584), (597, 1108224), (624, 1060272), (666, 993408), (702, 942464), (768, 861471), (796, 831168), (832, 795204), (864, 765752), (888, 745056), (936, 706848), (962, 687744), (999, 662272), (1152, 574314), (1184, 558792), (1194, 554112), (1248, 530136), (1332, 496704), (1404, 471232), (1443, 458496), (1592, 415584), (1664, 397602), (1728, 382876), (1776, 372528), (1791, 369408), (1872, 353424), (1924, 343872), (1998, 331136), (2304, 287157), (2368, 279396), (2388, 277056), (2496, 265068), (2587, 255744), (2664, 248352), (2808, 235616), (2886, 229248), (3184, 207792), (3328, 198801), (3456, 191438), (3552, 186264), (3582, 184704), (3744, 176712), (3848, 171936), (3996, 165568), (4329, 152832), (4736, 139698), (4776, 138528), (4992, 132534), (5174, 127872), (5328, 124176), (5373, 123136), (5616, 117808), (5772, 114624), (6368, 103896), (6912, 95719), (7104, 93132), (7164, 92352), (7363, 89856), (7488, 88356), (7696, 85968), (7761, 85248), (7992, 82784), (8658, 76416), (9472, 69849), (9552, 69264), (9984, 66267), (10348, 63936), (10656, 62088), (10746, 61568), (11232, 58904), (11544, 57312), (12736, 51948), (12987, 50944), (14208, 46566), (14328, 46176), (14726, 44928), (14976, 44178), (15392, 42984), (15522, 42624), (15984, 41392), (17316, 38208), (19104, 34632), (20696, 31968), (21312, 31044), (21492, 30784), (22089, 29952), (22464, 29452), (23088, 28656), (23283, 28416), (25472, 25974)]