65440256

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 120

約数和(自身を含む): 162534240

約数和(自身を除く): 97093984

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, 1064, 1178, 1216, 1736, 1792, 1922, 1984, 2128, 2356, 2432, 3472, 3584, 3844, 3968, 4123, 4256, 4712, 4864, 6727, 6944, 7688, 7936, 8246, 8512, 9424, 9728, 13454, 13888, 15376, 15872, 16492, 17024, 18259, 18848, 26908, 27776, 30752, 32984, 34048, 36518, 37696, 53816, 55552, 61504, 65968, 68096, 73036, 75392, 107632, 111104, 123008, 127813, 131936, 146072, 150784, 215264, 246016, 255626, 263872, 292144, 301568, 430528, 492032, 511252, 527744, 584288, 861056, 1022504, 1055488, 1168576, 1722112, 2045008, 2110976, 2337152, 3444224, 4090016, 4674304, 8180032, 9348608, 16360064, 32720128, 65440256]

約数ペア:

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