261761024

素因数分解:

$2^{11}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 650613600

約数和(自身を除く): 388852576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 76, 112, 124, 128, 133, 152, 217, 224, 248, 256, 266, 304, 434, 448, 496, 512, 532, 589, 608, 868, 896, 961, 992, 1024, 1064, 1178, 1216, 1736, 1792, 1922, 1984, 2048, 2128, 2356, 2432, 3472, 3584, 3844, 3968, 4123, 4256, 4712, 4864, 6727, 6944, 7168, 7688, 7936, 8246, 8512, 9424, 9728, 13454, 13888, 14336, 15376, 15872, 16492, 17024, 18259, 18848, 19456, 26908, 27776, 30752, 31744, 32984, 34048, 36518, 37696, 38912, 53816, 55552, 61504, 63488, 65968, 68096, 73036, 75392, 107632, 111104, 123008, 127813, 131936, 136192, 146072, 150784, 215264, 222208, 246016, 255626, 263872, 272384, 292144, 301568, 430528, 444416, 492032, 511252, 527744, 584288, 603136, 861056, 984064, 1022504, 1055488, 1168576, 1206272, 1722112, 1968128, 2045008, 2110976, 2337152, 3444224, 4090016, 4221952, 4674304, 6888448, 8180032, 8443904, 9348608, 13776896, 16360064, 18697216, 32720128, 37394432, 65440256, 130880512, 261761024]

約数ペア:

[(1, 261761024), (2, 130880512), (4, 65440256), (7, 37394432), (8, 32720128), (14, 18697216), (16, 16360064), (19, 13776896), (28, 9348608), (31, 8443904), (32, 8180032), (38, 6888448), (56, 4674304), (62, 4221952), (64, 4090016), (76, 3444224), (112, 2337152), (124, 2110976), (128, 2045008), (133, 1968128), (152, 1722112), (217, 1206272), (224, 1168576), (248, 1055488), (256, 1022504), (266, 984064), (304, 861056), (434, 603136), (448, 584288), (496, 527744), (512, 511252), (532, 492032), (589, 444416), (608, 430528), (868, 301568), (896, 292144), (961, 272384), (992, 263872), (1024, 255626), (1064, 246016), (1178, 222208), (1216, 215264), (1736, 150784), (1792, 146072), (1922, 136192), (1984, 131936), (2048, 127813), (2128, 123008), (2356, 111104), (2432, 107632), (3472, 75392), (3584, 73036), (3844, 68096), (3968, 65968), (4123, 63488), (4256, 61504), (4712, 55552), (4864, 53816), (6727, 38912), (6944, 37696), (7168, 36518), (7688, 34048), (7936, 32984), (8246, 31744), (8512, 30752), (9424, 27776), (9728, 26908), (13454, 19456), (13888, 18848), (14336, 18259), (15376, 17024), (15872, 16492)]