661144064

素因数分解:

$2^9\times 7^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 180

約数和(自身を含む): 1644020334

約数和(自身を除く): 982876270

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 73, 76, 98, 112, 128, 133, 146, 152, 196, 224, 256, 266, 292, 304, 361, 392, 448, 511, 512, 532, 584, 608, 722, 784, 896, 931, 1022, 1064, 1168, 1216, 1387, 1444, 1568, 1792, 1862, 2044, 2128, 2336, 2432, 2527, 2774, 2888, 3136, 3577, 3584, 3724, 4088, 4256, 4672, 4864, 5054, 5548, 5776, 6272, 7154, 7448, 8176, 8512, 9344, 9709, 9728, 10108, 11096, 11552, 12544, 14308, 14896, 16352, 17024, 17689, 18688, 19418, 20216, 22192, 23104, 25088, 26353, 28616, 29792, 32704, 34048, 35378, 37376, 38836, 40432, 44384, 46208, 52706, 57232, 59584, 65408, 67963, 68096, 70756, 77672, 80864, 88768, 92416, 105412, 114464, 119168, 130816, 135926, 141512, 155344, 161728, 177536, 184471, 184832, 210824, 228928, 238336, 261632, 271852, 283024, 310688, 323456, 355072, 368942, 421648, 457856, 476672, 543704, 566048, 621376, 646912, 710144, 737884, 843296, 915712, 1087408, 1132096, 1242752, 1291297, 1293824, 1475768, 1686592, 1831424, 2174816, 2264192, 2485504, 2582594, 2951536, 3373184, 4349632, 4528384, 4971008, 5165188, 5903072, 6746368, 8699264, 9056768, 10330376, 11806144, 13492736, 17398528, 20660752, 23612288, 34797056, 41321504, 47224576, 82643008, 94449152, 165286016, 330572032, 661144064]

約数ペア:

[(1, 661144064), (2, 330572032), (4, 165286016), (7, 94449152), (8, 82643008), (14, 47224576), (16, 41321504), (19, 34797056), (28, 23612288), (32, 20660752), (38, 17398528), (49, 13492736), (56, 11806144), (64, 10330376), (73, 9056768), (76, 8699264), (98, 6746368), (112, 5903072), (128, 5165188), (133, 4971008), (146, 4528384), (152, 4349632), (196, 3373184), (224, 2951536), (256, 2582594), (266, 2485504), (292, 2264192), (304, 2174816), (361, 1831424), (392, 1686592), (448, 1475768), (511, 1293824), (512, 1291297), (532, 1242752), (584, 1132096), (608, 1087408), (722, 915712), (784, 843296), (896, 737884), (931, 710144), (1022, 646912), (1064, 621376), (1168, 566048), (1216, 543704), (1387, 476672), (1444, 457856), (1568, 421648), (1792, 368942), (1862, 355072), (2044, 323456), (2128, 310688), (2336, 283024), (2432, 271852), (2527, 261632), (2774, 238336), (2888, 228928), (3136, 210824), (3577, 184832), (3584, 184471), (3724, 177536), (4088, 161728), (4256, 155344), (4672, 141512), (4864, 135926), (5054, 130816), (5548, 119168), (5776, 114464), (6272, 105412), (7154, 92416), (7448, 88768), (8176, 80864), (8512, 77672), (9344, 70756), (9709, 68096), (9728, 67963), (10108, 65408), (11096, 59584), (11552, 57232), (12544, 52706), (14308, 46208), (14896, 44384), (16352, 40432), (17024, 38836), (17689, 37376), (18688, 35378), (19418, 34048), (20216, 32704), (22192, 29792), (23104, 28616), (25088, 26353)]